| Commit message (Collapse) | Author | Age | Files | Lines |
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This PR makes pipeline stages in Python copyable and hence simplifies some implementations. It also includes the following changes:
1. Rename `paramMap` and `defaultParamMap` to `_paramMap` and `_defaultParamMap`, respectively.
2. Accept a list of param maps in `fit`.
3. Use parent uid and name to identify param.
jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #6088 from mengxr/SPARK-7380 and squashes the following commits:
413c463 [Xiangrui Meng] remove unnecessary doc
4159f35 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7380
611c719 [Xiangrui Meng] fix python style
68862b8 [Xiangrui Meng] update _java_obj initialization
927ad19 [Xiangrui Meng] fix ml/tests.py
0138fc3 [Xiangrui Meng] update feature transformers and fix a bug in RegexTokenizer
9ca44fb [Xiangrui Meng] simplify Java wrappers and add tests
c7d84ef [Xiangrui Meng] update ml/tests.py to test copy params
7e0d27f [Xiangrui Meng] merge master
46840fb [Xiangrui Meng] update wrappers
b6db1ed [Xiangrui Meng] update all self.paramMap to self._paramMap
46cb6ed [Xiangrui Meng] merge master
a163413 [Xiangrui Meng] fix style
1042e80 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7380
9630eae [Xiangrui Meng] fix Identifiable._randomUID
13bd70a [Xiangrui Meng] update ml/tests.py
64a536c [Xiangrui Meng] use _fit/_transform/_evaluate to simplify the impl
02abf13 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into copyable-python
66ce18c [Joseph K. Bradley] some cleanups before sending to Xiangrui
7431272 [Joseph K. Bradley] Rebased with master
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The `toString` method of `LogisticRegressionModel` calls `get` method on an Option (threshold) without a safeguard. In spark-shell, the following code `val model = algorithm.run(data).clearThreshold()` in lbfgs code will fail as `toString `method will be called right after `clearThreshold()` to show the results in the REPL.
Author: Shuo Xiang <shuoxiangpub@gmail.com>
Closes #6224 from coderxiang/getorelse and squashes the following commits:
d5f53c9 [Shuo Xiang] use getOrElse for getting the threshold of LR model
5f109b4 [Shuo Xiang] Merge remote-tracking branch 'upstream/master'
c5c5bfe [Shuo Xiang] Merge remote-tracking branch 'upstream/master'
98804c9 [Shuo Xiang] fix bug in topBykey and update test
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Author: Reynold Xin <rxin@databricks.com>
Closes #6211 from rxin/mllib-reader and squashes the following commits:
79a2cb9 [Reynold Xin] [SPARK-7654][MLlib] Migrate MLlib to the DataFrame reader/writer API.
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reservoir feature sample by using existing api
Author: AiHe <ai.he@ussuning.com>
Closes #5988 from AiHe/reservoir and squashes the following commits:
e7a41ac [AiHe] remove non-robust testing case
28ffb9a [AiHe] set seed as rng.nextLong
37459e1 [AiHe] set fixed seed
1e98a4c [AiHe] [MLLIB][tree] Add reservoir sample in RandomForest
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map function
JIRA: https://issues.apache.org/jira/browse/SPARK-7668
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #6188 from viirya/fix_matrix_map and squashes the following commits:
2a7cc97 [Liang-Chi Hsieh] Preserve isTransposed property for Matrix after calling map function.
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Implement Python API for major disparities of GaussianMixture cluster algorithm between Scala & Python
```scala
GaussianMixture
setInitialModel
GaussianMixtureModel
k
```
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #6087 from yanboliang/spark-6258 and squashes the following commits:
b3af21c [Yanbo Liang] fix typo
2b645c1 [Yanbo Liang] fix doc
638b4b7 [Yanbo Liang] address comments
b5bcade [Yanbo Liang] GaussianMixture Python API parity check
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A param instance is strongly attached to an parent in the current implementation. So if we make a copy of an estimator or a transformer in pipelines and other meta-algorithms, it becomes error-prone to copy the params to the copied instances. In this PR, a param is identified by its parent's UID and the param name. So it becomes loosely attached to its parent and all its derivatives. The UID is preserved during copying or fitting. All components now have a default constructor and a constructor that takes a UID as input. I keep the constructors for Param in this PR to reduce the amount of diff and moved `parent` as a mutable field.
This PR still needs some clean-ups, and there are several spark.ml PRs pending. I'll try to get them merged first and then update this PR.
jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #6019 from mengxr/SPARK-7407 and squashes the following commits:
c4c8120 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7407
520f0a2 [Xiangrui Meng] address comments
2569168 [Xiangrui Meng] fix tests
873caca [Xiangrui Meng] fix tests in OneVsRest; fix a racing condition in shouldOwn
409ea08 [Xiangrui Meng] minor updates
83a163c [Xiangrui Meng] update JavaDeveloperApiExample
5db5325 [Xiangrui Meng] update OneVsRest
7bde7ae [Xiangrui Meng] merge master
697fdf9 [Xiangrui Meng] update Bucketizer
7b4f6c2 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-7407
629d402 [Xiangrui Meng] fix LRSuite
154516f [Xiangrui Meng] merge master
aa4a611 [Xiangrui Meng] fix examples/compile
a4794dd [Xiangrui Meng] change Param to use to reduce the size of diff
fdbc415 [Xiangrui Meng] all tests passed
c255f17 [Xiangrui Meng] fix tests in ParamsSuite
818e1db [Xiangrui Meng] merge master
e1160cf [Xiangrui Meng] fix tests
fbc39f0 [Xiangrui Meng] pass test:compile
108937e [Xiangrui Meng] pass compile
8726d39 [Xiangrui Meng] use parent uid in Param
eaeed35 [Xiangrui Meng] update Identifiable
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avoid extra JVM call
Author: DB Tsai <dbt@netflix.com>
Closes #6137 from dbtsai/clean and squashes the following commits:
185816d [DB Tsai] fix compilication issue
f418d08 [DB Tsai] first commit
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This is similar to the changes to k-means, which gives us better control on the performance. dbtsai
Author: Xiangrui Meng <meng@databricks.com>
Closes #6128 from mengxr/SPARK-7612 and squashes the following commits:
b5c24c5 [Xiangrui Meng] merge master
a90e3ec [Xiangrui Meng] update NB training to use mllib's BLAS
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both training and predict features have values of 0 or 1
Author: leahmcguire <lmcguire@salesforce.com>
Closes #6073 from leahmcguire/binaryCheckNB and squashes the following commits:
b8442c2 [leahmcguire] changed to if else for value checks
911bf83 [leahmcguire] undid reformat
4eedf1e [leahmcguire] moved bernoulli check
9ee9e84 [leahmcguire] fixed style error
3f3b32c [leahmcguire] fixed zero one check so only called in combiner
831fd27 [leahmcguire] got test working
f44bb3c [leahmcguire] removed changes from CV branch
67253f0 [leahmcguire] added check to bernoulli to ensure feature values are zero or one
f191c71 [leahmcguire] fixed name
58d060b [leahmcguire] changed param name and test according to comments
04f0d3c [leahmcguire] Added stats from cross validation as a val in the cross validation model to save them for user access
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Added `ml.feature.Bucketizer` to PySpark.
cc mengxr
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #6124 from brkyvz/ml-bucket and squashes the following commits:
05285be [Burak Yavuz] added sphinx doc
6abb6ed [Burak Yavuz] added support for Bucketizer
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`RankingMetrics` contains a ClassTag, which is hard to create in Java. This PR adds a factory method `of` for Java users. coderxiang
Author: Xiangrui Meng <meng@databricks.com>
Closes #6098 from mengxr/SPARK-7528 and squashes the following commits:
e5d57ae [Xiangrui Meng] make RankingMetrics Java-friendly
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Minor cleanups discussed with [~mengxr]:
* move OneVsRest from reduction to classification sub-package
* make model constructor private
Some doc cleanups too
CC: harsha2010 Could you please verify this looks OK? Thanks!
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #6097 from jkbradley/onevsrest-cleanup and squashes the following commits:
4ecd48d [Joseph K. Bradley] org imports
430b065 [Joseph K. Bradley] moved OneVsRest from reduction subpackage to classification. small java doc style fixes
9f8b9b9 [Joseph K. Bradley] Small cleanups to OneVsRest. Made model constructor private to ml package.
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Added feature transformer subsection to spark.ml guide, with HashingTF and Tokenizer. Added JavaHashingTFSuite to test Java examples in new guide.
I've run Scala, Python examples in the Spark/PySpark shells. I ran the Java examples via the test suite (with small modifications for printing).
CC: mengxr
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #6093 from jkbradley/hashingtf-guide and squashes the following commits:
d5d213f [Joseph K. Bradley] small fix
dd6e91a [Joseph K. Bradley] fixes from code review of user guide
33c3ff9 [Joseph K. Bradley] small fix
bc6058c [Joseph K. Bradley] fix link
361a174 [Joseph K. Bradley] Added subsection for feature transformers to spark.ml guide, with HashingTF and Tokenizer. Added JavaHashingTFSuite to test Java examples in new guide
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`scala.Math` is deprecated since 2.8. This PR only touchs `Math` usages in MLlib. dbtsai
Author: Xiangrui Meng <meng@databricks.com>
Closes #6092 from mengxr/SPARK-7571 and squashes the following commits:
fe8f8d3 [Xiangrui Meng] Math -> math
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the last bucket.
We make special treatment for +inf in `Bucketizer`. This could be simplified by always including the largest split value in the last bucket. E.g., (x1, x2, x3) defines buckets [x1, x2) and [x2, x3]. This shouldn't affect user code much, and there are applications that need to include the right-most value. For example, we can bucketize ratings from 0 to 10 to bad, neutral, and good with splits 0, 4, 6, 10. It may reads weird if the users need to put 0, 4, 6, 10.1 (or 11).
This also update the impl to use `Arrays.binarySearch` and `withClue` in test.
yinxusen jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #6075 from mengxr/SPARK-7559 and squashes the following commits:
e28f910 [Xiangrui Meng] update bucketizer impl
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initial cut of one against all. test code is a scaffolding , not fully implemented.
This WIP is to gather early feedback.
Author: Ram Sriharsha <rsriharsha@hw11853.local>
Closes #5830 from harsha2010/reduction and squashes the following commits:
5f4b495 [Ram Sriharsha] Fix Test
386e98b [Ram Sriharsha] Style fix
49b4a17 [Ram Sriharsha] Simplify the test
02279cc [Ram Sriharsha] Output Label Metadata in Prediction Col
bc78032 [Ram Sriharsha] Code Review Updates
8ce4845 [Ram Sriharsha] Merge with Master
2a807be [Ram Sriharsha] Merge branch 'master' into reduction
e21bfcc [Ram Sriharsha] Style Fix
5614f23 [Ram Sriharsha] Style Fix
c75583a [Ram Sriharsha] Cleanup
7a5f136 [Ram Sriharsha] Fix TODOs
804826b [Ram Sriharsha] Merge with Master
1448a5f [Ram Sriharsha] Style Fix
6e47807 [Ram Sriharsha] Style Fix
d63e46b [Ram Sriharsha] Incorporate Code Review Feedback
ced68b5 [Ram Sriharsha] Refactor OneVsAll to implement Predictor
78fa82a [Ram Sriharsha] extra line
0dfa1fb [Ram Sriharsha] Fix inexhaustive match cases that may arise from UnresolvedAttribute
a59a4f4 [Ram Sriharsha] @Experimental
4167234 [Ram Sriharsha] Merge branch 'master' into reduction
868a4fd [Ram Sriharsha] @Experimental
041d905 [Ram Sriharsha] Code Review Fixes
df188d8 [Ram Sriharsha] Style fix
612ec48 [Ram Sriharsha] Style Fix
6ef43d3 [Ram Sriharsha] Prefer Unresolved Attribute to Option: Java APIs are cleaner
6bf6bff [Ram Sriharsha] Update OneHotEncoder to new API
e29cb89 [Ram Sriharsha] Merge branch 'master' into reduction
1c7fa44 [Ram Sriharsha] Fix Tests
ca83672 [Ram Sriharsha] Incorporate Code Review Feedback + Rename to OneVsRestClassifier
221beeed [Ram Sriharsha] Upgrade to use Copy method for cloning Base Classifiers
26f1ddb [Ram Sriharsha] Merge with SPARK-5956 API changes
9738744 [Ram Sriharsha] Merge branch 'master' into reduction
1a3e375 [Ram Sriharsha] More efficient Implementation: Use withColumn to generate label column dynamically
32e0189 [Ram Sriharsha] Restrict reduction to Margin Based Classifiers
ff272da [Ram Sriharsha] Style fix
28771f5 [Ram Sriharsha] Add Tests for Multiclass to Binary Reduction
b60f874 [Ram Sriharsha] Fix Style issues in Test
3191cdf [Ram Sriharsha] Remove this test, accidental commit
23f056c [Ram Sriharsha] Fix Headers for test
1b5e929 [Ram Sriharsha] Fix Style issues and add Header
8752863 [Ram Sriharsha] [SPARK-7015][MLLib][WIP] Multiclass to Binary Reduction: One Against All
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The sbt part of the build is hacky; it basically tricks sbt
into generating the zip by using a generator, but returns
an empty list for the generated files so that nothing is
actually added to the assembly.
Author: Marcelo Vanzin <vanzin@cloudera.com>
Closes #6022 from vanzin/SPARK-7485 and squashes the following commits:
22c1e04 [Marcelo Vanzin] Remove unneeded code.
4893622 [Marcelo Vanzin] [SPARK-7485] [build] Remove pyspark files from assembly.
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JIRA issue [here](https://issues.apache.org/jira/browse/SPARK-5893).
One thing to make clear, the `buckets` parameter, which is an array of `Double`, performs as split points. Say,
```scala
buckets = Array(-0.5, 0.0, 0.5)
```
splits the real number into 4 ranges, (-inf, -0.5], (-0.5, 0.0], (0.0, 0.5], (0.5, +inf), which is encoded as 0, 1, 2, 3.
Author: Xusen Yin <yinxusen@gmail.com>
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5980 from yinxusen/SPARK-5893 and squashes the following commits:
dc8c843 [Xusen Yin] Merge pull request #4 from jkbradley/yinxusen-SPARK-5893
1ca973a [Joseph K. Bradley] one more bucketizer test
34f124a [Joseph K. Bradley] Removed lowerInclusive, upperInclusive params from Bucketizer, and used splits instead.
eacfcfa [Xusen Yin] change ML attribute from splits into buckets
c3cc770 [Xusen Yin] add more unit test for binary search
3a16cc2 [Xusen Yin] refine comments and names
ac77859 [Xusen Yin] fix style error
fb30d79 [Xusen Yin] fix and test binary search
2466322 [Xusen Yin] refactor Bucketizer
11fb00a [Xusen Yin] change it into an Estimator
998bc87 [Xusen Yin] check buckets
4024cf1 [Xusen Yin] add test suite
5fe190e [Xusen Yin] add bucketizer
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Author: Yanbo Liang <ybliang8@gmail.com>
Closes #6044 from yanboliang/spark-6092 and squashes the following commits:
726a9b1 [Yanbo Liang] add newRankingMetrics
33f649c [Yanbo Liang] Add RankingMetrics in PySpark/MLlib
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I implement a simple PCA wrapper for easy transform of vectors by PCA for example LabeledPoint or another complicated structure.
Example of usage:
```
import org.apache.spark.mllib.regression.LinearRegressionWithSGD
import org.apache.spark.mllib.regression.LabeledPoint
import org.apache.spark.mllib.linalg.Vectors
import org.apache.spark.mllib.feature.PCA
val data = sc.textFile("data/mllib/ridge-data/lpsa.data").map { line =>
val parts = line.split(',')
LabeledPoint(parts(0).toDouble, Vectors.dense(parts(1).split(' ').map(_.toDouble)))
}.cache()
val splits = data.randomSplit(Array(0.6, 0.4), seed = 11L)
val training = splits(0).cache()
val test = splits(1)
val pca = PCA.create(training.first().features.size/2, data.map(_.features))
val training_pca = training.map(p => p.copy(features = pca.transform(p.features)))
val test_pca = test.map(p => p.copy(features = pca.transform(p.features)))
val numIterations = 100
val model = LinearRegressionWithSGD.train(training, numIterations)
val model_pca = LinearRegressionWithSGD.train(training_pca, numIterations)
val valuesAndPreds = test.map { point =>
val score = model.predict(point.features)
(score, point.label)
}
val valuesAndPreds_pca = test_pca.map { point =>
val score = model_pca.predict(point.features)
(score, point.label)
}
val MSE = valuesAndPreds.map{case(v, p) => math.pow((v - p), 2)}.mean()
val MSE_pca = valuesAndPreds_pca.map{case(v, p) => math.pow((v - p), 2)}.mean()
println("Mean Squared Error = " + MSE)
println("PCA Mean Squared Error = " + MSE_pca)
```
Author: Kirill A. Korinskiy <catap@catap.ru>
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #4304 from catap/pca and squashes the following commits:
501bcd9 [Joseph K. Bradley] Small updates: removed k from Java-friendly PCA fit(). In PCASuite, converted results to set for comparison. Added an error message for bad k in PCA.
9dcc02b [Kirill A. Korinskiy] [SPARK-5521] fix scala style
1892a06 [Kirill A. Korinskiy] [SPARK-5521] PCA wrapper for easy transform vectors
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https://issues.apache.org/jira/browse/SPARK-6091
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #6011 from yanboliang/spark-6091 and squashes the following commits:
bb3e4ba [Yanbo Liang] trigger jenkins
53c045d [Yanbo Liang] keep compatibility for python 2.6
972d5ac [Yanbo Liang] Add MulticlassMetrics in PySpark/MLlib
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In SPARK-7429 and PR https://github.com/apache/spark/pull/5960, I added the varargs annotation to Params.setDefault which takes a variable number of ParamPairs. It worked locally and on Jenkins for me.
However, mengxr reported issues compiling on his machine. So I'm reverting the change introduced in https://github.com/apache/spark/pull/5960 by removing varargs.
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #6021 from jkbradley/revert-varargs and squashes the following commits:
098ed39 [Joseph K. Bradley] removed varargs annotation from Params.setDefaults taking multiple ParamPairs
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OWLQN in new ML package
1) Handle scaling and addBias internally.
2) L1/L2 elasticnet using OWLQN optimizer.
Author: DB Tsai <dbt@netflix.com>
Closes #5967 from dbtsai/lor and squashes the following commits:
fa029bb [DB Tsai] made the bound smaller
0806002 [DB Tsai] better initial intercept and more test
5c31824 [DB Tsai] fix import
c387e25 [DB Tsai] Merge branch 'master' into lor
c84e931 [DB Tsai] Made MultiClassSummarizer private
f98e711 [DB Tsai] address feedback
a784321 [DB Tsai] fix style
8ec65d2 [DB Tsai] remove new line
f3f8c88 [DB Tsai] add more tests and they match R which is good. fix a bug
34705bc [DB Tsai] first commit
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Adds Python Api for `ALS` under `ml.recommendation` in PySpark. Also adds seed as a settable parameter in the Scala Implementation of ALS.
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #6015 from brkyvz/ml-rec and squashes the following commits:
be6e931 [Burak Yavuz] addressed comments
eaed879 [Burak Yavuz] readd numFeatures
0bd66b1 [Burak Yavuz] fixed seed
7f6d964 [Burak Yavuz] merged master
52e2bda [Burak Yavuz] added ALS
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Add a Python API for mllib.feature.ChiSqSelector
https://issues.apache.org/jira/browse/SPARK-5913
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #5939 from yanboliang/spark-5913 and squashes the following commits:
cdaac99 [Yanbo Liang] Python API for ChiSqSelector
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Implemented python wrappers for Scala functions that don't exist in `ml.features`
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #5991 from brkyvz/ml-feat-PR and squashes the following commits:
adcca55 [Burak Yavuz] add regex tokenizer to __all__
b91cb44 [Burak Yavuz] addressed comments
bd39fd2 [Burak Yavuz] remove addition
b82bd7c [Burak Yavuz] Parity in PySpark for ml.features
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the toArray function of the BoundedPriorityQueue does not necessarily preserve order. Add a counter-example as the test, which would fail the original impl.
Author: Shuo Xiang <shuoxiangpub@gmail.com>
Closes #5990 from coderxiang/topbykey-test and squashes the following commits:
98804c9 [Shuo Xiang] fix bug in topBykey and update test
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The compression is based on storage. brkyvz
Author: Xiangrui Meng <meng@databricks.com>
Closes #5985 from mengxr/SPARK-6948 and squashes the following commits:
df56a00 [Xiangrui Meng] update python tests
6d90d45 [Xiangrui Meng] compress vectors in VectorAssembler
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See https://issues.apache.org/jira/browse/SPARK-5726
Author: Octavian Geagla <ogeagla@gmail.com>
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #4580 from ogeagla/spark-mllib-weighting and squashes the following commits:
fac12ad [Octavian Geagla] [SPARK-5726] [MLLIB] Use new createTransformFunc.
90f7e39 [Joseph K. Bradley] small cleanups
4595165 [Octavian Geagla] [SPARK-5726] [MLLIB] Remove erroneous test case.
ded3ac6 [Octavian Geagla] [SPARK-5726] [MLLIB] Pass style checks.
37d4705 [Octavian Geagla] [SPARK-5726] [MLLIB] Incorporated feedback.
1dffeee [Octavian Geagla] [SPARK-5726] [MLLIB] Pass style checks.
e436896 [Octavian Geagla] [SPARK-5726] [MLLIB] Remove 'TF' from 'ElementwiseProductTF'
cb520e6 [Octavian Geagla] [SPARK-5726] [MLLIB] Rename HadamardProduct to ElementwiseProduct
4922722 [Octavian Geagla] [SPARK-5726] [MLLIB] Hadamard Vector Product Transformer
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https://issues.apache.org/jira/browse/SPARK-6093
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #5941 from yanboliang/spark-6093 and squashes the following commits:
6934af3 [Yanbo Liang] change to @property
aac3bc5 [Yanbo Liang] Add RegressionMetrics in PySpark/MLlib
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The wrapper required the implementation of the `ArrayParam`, because `Array[T]` is hard to obtain from Python. `ArrayParam` has an extra function called `wCast` which is an internal function to obtain `Array[T]` from `Seq[T]`
Author: Burak Yavuz <brkyvz@gmail.com>
Author: Xiangrui Meng <meng@databricks.com>
Closes #5930 from brkyvz/ml-feat and squashes the following commits:
73e745f [Burak Yavuz] Merge pull request #3 from mengxr/SPARK-7388
c221db9 [Xiangrui Meng] overload StringArrayParam.w
c81072d [Burak Yavuz] addressed comments
99c2ebf [Burak Yavuz] add to python_shared_params
39ecb07 [Burak Yavuz] fix scalastyle
7f7ea2a [Burak Yavuz] [SPARK-7388][SPARK-7383] wrapper for VectorAssembler in Python
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Params.setDefault taking a set of ParamPairs should be annotated with varargs. I thought it would not work before, but it apparently does.
CrossValidator.transform should call transformSchema since the underlying Model might be a PipelineModel
CC: mengxr
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5960 from jkbradley/params-cleanups and squashes the following commits:
118b158 [Joseph K. Bradley] Params.setDefault taking a set of ParamPairs should be annotated with varargs. I thought it would not work before, but it apparently does. CrossValidator.transform should call transformSchema since the underlying Model might be a PipelineModel
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Small changes, primarily to allow us more flexibility in the future:
* Rename "tau_0" to "tau0"
* Mark LDAOptimizer trait sealed and DeveloperApi.
* Mark LDAOptimizer subclasses as final.
* Mark setOptimizer (the one taking an LDAOptimizer) and getOptimizer as DeveloperApi since we may need to change them in the future
CC: hhbyyh
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5956 from jkbradley/onlinelda-cleanups and squashes the following commits:
f4be508 [Joseph K. Bradley] added newline
f4003e4 [Joseph K. Bradley] Changes: * Rename "tau_0" to "tau0" * Mark LDAOptimizer trait sealed and DeveloperApi. * Mark LDAOptimizer subclasses as final. * Mark setOptimizer (the one taking an LDAOptimizer) and getOptimizer as DeveloperApi since we may need to change them in the future
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Changes:
* Update protected prediction methods, following design doc. **<--most interesting change**
* Changed abstract classes for Estimator and Model to be public. Added DeveloperApi tag. (I kept the traits for Estimator/Model Params private.)
* Changed ProbabilisticClassificationModel method names to use probability instead of probabilities.
CC: mengxr shivaram etrain
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5913 from jkbradley/public-dev-api and squashes the following commits:
e9aa0ea [Joseph K. Bradley] moved findMax to DenseVector and renamed to argmax. fixed bug for vector of length 0
15b9957 [Joseph K. Bradley] renamed probabilities to probability in method names
5cda84d [Joseph K. Bradley] regenerated sharedParams
7d1877a [Joseph K. Bradley] Made spark.ml prediction abstractions public. Organized their prediction methods for efficient computation of multiple output columns.
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Since CrossValidator is a meta algorithm, we copy the implementation in Python. jkbradley
Author: Xiangrui Meng <meng@databricks.com>
Closes #5926 from mengxr/SPARK-6940 and squashes the following commits:
6af181f [Xiangrui Meng] add TODOs
8285134 [Xiangrui Meng] update doc
060f7c3 [Xiangrui Meng] update doctest
acac727 [Xiangrui Meng] add keyword args
cdddecd [Xiangrui Meng] add CrossValidator in Python
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https://issues.apache.org/jira/browse/SPARK-6267
Author: Yanbo Liang <ybliang8@gmail.com>
Author: Xiangrui Meng <meng@databricks.com>
Closes #5890 from yanboliang/spark-6267 and squashes the following commits:
f20541d [Yanbo Liang] Merge pull request #3 from mengxr/SPARK-6267
7f202f9 [Xiangrui Meng] use Vector to have the best Python 2&3 compatibility
4bccfee [Yanbo Liang] fix doctest
ec09412 [Yanbo Liang] fix typos
8214bbb [Yanbo Liang] fix code style
5c8ebe5 [Yanbo Liang] Python API for IsotonicRegression
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This patch adds a one hot encoder for categorical features. Planning to add documentation and another test after getting feedback on the approach.
A couple choices made here:
* There's an `includeFirst` option which, if false, creates numCategories - 1 columns and, if true, creates numCategories columns. The default is true, which is the behavior in scikit-learn.
* The user is expected to pass a `Seq` of category names when instantiating a `OneHotEncoder`. These can be easily gotten from a `StringIndexer`. The names are used for the output column names, which take the form colName_categoryName.
Author: Sandy Ryza <sandy@cloudera.com>
Closes #5500 from sryza/sandy-spark-5888 and squashes the following commits:
f383250 [Sandy Ryza] Infer label names automatically
6e257b9 [Sandy Ryza] Review comments
7c539cf [Sandy Ryza] Vector transformers
1c182dd [Sandy Ryza] SPARK-5888. [MLLIB]. Add OneHotEncoder as a Transformer
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Require non empty input rdd such that we can take the first labeledpoint and get the feature size
Author: Alain <aihe@usc.edu>
Author: aihe@usc.edu <aihe@usc.edu>
Closes #5810 from AiHe/decisiontree-issue and squashes the following commits:
3b1d08a [aihe@usc.edu] [MLLIB][tree] merge the assertion into the evaluation of numFeatures
cf2e567 [Alain] [MLLIB][tree] Use a rdd api to verify size of input rdd > 0 when building meta data
b448f47 [Alain] [MLLIB][tree] Verify size of input rdd > 0 when building meta data
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The following items are added to Python kmeans:
kmeans - setEpsilon, setInitializationSteps
KMeansModel - computeCost, k
Author: Hrishikesh Subramonian <hrishikesh.subramonian@flytxt.com>
Closes #5647 from FlytxtRnD/newPyKmeansAPI and squashes the following commits:
b9e451b [Hrishikesh Subramonian] set seed to fixed value in doc test
5fd3ced [Hrishikesh Subramonian] doc test corrections
20b3c68 [Hrishikesh Subramonian] python 3 fixes
4d4e695 [Hrishikesh Subramonian] added arguments in python tests
21eb84c [Hrishikesh Subramonian] Python Kmeans - setEpsilon, setInitializationSteps, k and computeCost added.
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Utilities for pickling and unpickling SparseMatrices using SerDe
Author: MechCoder <manojkumarsivaraj334@gmail.com>
Closes #5775 from MechCoder/spark-7202 and squashes the following commits:
7e689dc [MechCoder] [SPARK-7202] Add SparseMatrixPickler to SerDe
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This PR added `copy(extra: ParamMap): Params` to `Params`, which makes a copy of the current instance with a randomly generated uid and some extra param values. With this change, we only need to implement `fit` and `transform` without extra param values given the default implementation of `fit(dataset, extra)`:
~~~scala
def fit(dataset: DataFrame, extra: ParamMap): Model = {
copy(extra).fit(dataset)
}
~~~
Inside `fit` and `transform`, since only the embedded values are used, I added `$` as an alias for `getOrDefault` to make the code easier to read. For example, in `LinearRegression.fit` we have:
~~~scala
val effectiveRegParam = $(regParam) / yStd
val effectiveL1RegParam = $(elasticNetParam) * effectiveRegParam
val effectiveL2RegParam = (1.0 - $(elasticNetParam)) * effectiveRegParam
~~~
Meta-algorithm like `Pipeline` implements its own `copy(extra)`. So the fitted pipeline model stored all copied stages (no matter whether it is a transformer or a model).
Other changes:
* `Params$.inheritValues` is moved to `Params!.copyValues` and returns the target instance.
* `fittingParamMap` was removed because the `parent` carries this information.
* `validate` was renamed to `validateParams` to be more precise.
TODOs:
* [x] add tests for newly added methods
* [ ] update documentation
jkbradley dbtsai
Author: Xiangrui Meng <meng@databricks.com>
Closes #5820 from mengxr/SPARK-5956 and squashes the following commits:
7bef88d [Xiangrui Meng] address comments
05229c3 [Xiangrui Meng] assert -> assertEquals
b2927b1 [Xiangrui Meng] organize imports
f14456b [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-5956
93e7924 [Xiangrui Meng] add tests for hasParam & copy
463ecae [Xiangrui Meng] merge master
2b954c3 [Xiangrui Meng] update Binarizer
465dd12 [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-5956
282a1a8 [Xiangrui Meng] fix test
819dd2d [Xiangrui Meng] merge master
b642872 [Xiangrui Meng] example code runs
5a67779 [Xiangrui Meng] examples compile
c76b4d1 [Xiangrui Meng] fix all unit tests
0f4fd64 [Xiangrui Meng] fix some tests
9286a22 [Xiangrui Meng] copyValues to trained models
53e0973 [Xiangrui Meng] move inheritValues to Params and rename it to copyValues
9ee004e [Xiangrui Meng] merge copy and copyWith; rename validate to validateParams
d882afc [Xiangrui Meng] test compile
f082a31 [Xiangrui Meng] make Params copyable and simply handling of extra params in all spark.ml components
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JIRA: https://issues.apache.org/jira/browse/SPARK-5563
The PR contains the implementation for [Online LDA] (https://www.cs.princeton.edu/~blei/papers/HoffmanBleiBach2010b.pdf) based on the research of Matt Hoffman and David M. Blei, which provides an efficient option for LDA users. Major advantages for the algorithm are the stream compatibility and economic time/memory consumption due to the corpus split. For more details, please refer to the jira.
Online LDA can act as a fast option for LDA, and will be especially helpful for the users who needs a quick result or with large corpus.
Correctness test.
I have tested current PR with https://github.com/Blei-Lab/onlineldavb and the results are identical. I've uploaded the result and code to https://github.com/hhbyyh/LDACrossValidation.
Author: Yuhao Yang <hhbyyh@gmail.com>
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #4419 from hhbyyh/ldaonline and squashes the following commits:
1045eec [Yuhao Yang] Merge pull request #2 from jkbradley/hhbyyh-ldaonline2
cf376ff [Joseph K. Bradley] For private vars needed for testing, I made them private and added accessors. Java doesn’t understand package-private tags, so this minimizes the issues Java users might encounter.
6149ca6 [Yuhao Yang] fix for setOptimizer
cf0007d [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
54cf8da [Yuhao Yang] some style change
68c2318 [Yuhao Yang] add a java ut
4041723 [Yuhao Yang] add ut
138bfed [Yuhao Yang] Merge pull request #1 from jkbradley/hhbyyh-ldaonline-update
9e910d9 [Joseph K. Bradley] small fix
61d60df [Joseph K. Bradley] Minor cleanups: * Update *Concentration parameter documentation * EM Optimizer: createVertices() does not need to be a function * OnlineLDAOptimizer: typos in doc * Clean up the core code for online LDA (Scala style)
a996a82 [Yuhao Yang] respond to comments
b1178cf [Yuhao Yang] fit into the optimizer framework
dbe3cff [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
15be071 [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
b29193b [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
d19ef55 [Yuhao Yang] change OnlineLDA to class
97b9e1a [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
e7bf3b0 [Yuhao Yang] move to seperate file
f367cc9 [Yuhao Yang] change to optimization
8cb16a6 [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
62405cc [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
02d0373 [Yuhao Yang] fix style in comment
f6d47ca [Yuhao Yang] Merge branch 'ldaonline' of https://github.com/hhbyyh/spark into ldaonline
d86cdec [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
a570c9a [Yuhao Yang] use sample to pick up batch
4a3f27e [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline
e271eb1 [Yuhao Yang] remove non ascii
581c623 [Yuhao Yang] seperate API and adjust batch split
37af91a [Yuhao Yang] iMerge remote-tracking branch 'upstream/master' into ldaonline
20328d1 [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline i
aa365d1 [Yuhao Yang] merge upstream master
3a06526 [Yuhao Yang] merge with new example
0dd3947 [Yuhao Yang] kMerge remote-tracking branch 'upstream/master' into ldaonline
0d0f3ee [Yuhao Yang] replace random split with sliding
fa408a8 [Yuhao Yang] ssMerge remote-tracking branch 'upstream/master' into ldaonline
45884ab [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline s
f41c5ca [Yuhao Yang] style fix
26dca1b [Yuhao Yang] style fix and make class private
043e786 [Yuhao Yang] Merge remote-tracking branch 'upstream/master' into ldaonline s Conflicts: mllib/src/main/scala/org/apache/spark/mllib/clustering/LDA.scala
d640d9c [Yuhao Yang] online lda initial checkin
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Author: Reynold Xin <rxin@databricks.com>
Closes #5802 from rxin/SPARK-7274 and squashes the following commits:
19aecaa [Reynold Xin] Fixed unicode tests.
bfc1538 [Reynold Xin] Export all Python functions.
2517b8c [Reynold Xin] Code review.
23da335 [Reynold Xin] Fixed Python bug.
132002e [Reynold Xin] Fixed tests.
56fce26 [Reynold Xin] Added Python support.
b0d591a [Reynold Xin] Fixed debug error.
86926a6 [Reynold Xin] Added test suite.
7dbb9ab [Reynold Xin] Ok one more.
470e2f5 [Reynold Xin] One more MLlib ...
e2d14f0 [Reynold Xin] [SPARK-7274][SQL] Create Column expression for array/struct creation.
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JIRA: https://issues.apache.org/jira/browse/SPARK-5891
Author: Liang-Chi Hsieh <viirya@gmail.com>
Closes #5699 from viirya/add_binarizer and squashes the following commits:
1a0b9a4 [Liang-Chi Hsieh] For comments.
bc397f2 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into add_binarizer
cc4f03c [Liang-Chi Hsieh] Implement threshold param and use merged params map.
7564c63 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into add_binarizer
1682f8c [Liang-Chi Hsieh] Add Binarizer ML Transformer.
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This is based on #3098 from debasish83.
1. BLAS' GEMM is used to compute inner products.
2. Reverted changes to MovieLensALS. SPARK-4231 should be addressed in a separate PR.
3. ~~Fixed a bug in topByKey~~
Closes #3098
debasish83 coderxiang
Author: Debasish Das <debasish.das@one.verizon.com>
Author: Xiangrui Meng <meng@databricks.com>
Closes #5829 from mengxr/SPARK-3066 and squashes the following commits:
22e6a87 [Xiangrui Meng] topByKey was correct. update its usage
389b381 [Xiangrui Meng] fix indentation
49953de [Xiangrui Meng] Merge remote-tracking branch 'apache/master' into SPARK-3066
cb9799a [Xiangrui Meng] revert MovieLensALS
f864f5e [Xiangrui Meng] update test and fix a bug in topByKey
c5e0181 [Xiangrui Meng] use GEMM and topByKey
3a0c4eb [Debasish Das] updated with spark master
98fa424 [Debasish Das] updated with master
ee99571 [Debasish Das] addressed initial review comments;merged with master;added tests for batch predict APIs in matrix factorization
3f97c49 [Debasish Das] fixed spark coding style for imports
7163a5c [Debasish Das] Added API for batch user and product recommendation; MAP calculation for product recommendation per user using randomized split
d144f57 [Debasish Das] recommendAll API to MatrixFactorizationModel, uses topK finding using BoundedPriorityQueue similar to RDD.top
f38a1b5 [Debasish Das] use sampleByKey for per user sampling
10cbb37 [Debasish Das] provide ratio for topN product validation; generate MAP and prec@k metric for movielens dataset
9fa063e [Debasish Das] import scala.math.round
4bbae0f [Debasish Das] comments fixed as per scalastyle
cd3ab31 [Debasish Das] merged with AbstractParams serialization bug
9b3951f [Debasish Das] validate user/product on MovieLens dataset through user input and compute map measure along with rmse
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and coding formating
Author: DB Tsai <dbt@netflix.com>
Closes #5809 from dbtsai/format and squashes the following commits:
6904eed [DB Tsai] triger jenkins
9146e19 [DB Tsai] initial commit
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See PDF attached to the JIRA issue 1406.
The contribution is my original work and I license the work to the project under the project's open source license.
Author: Vincenzo Selvaggio <vselvaggio@hotmail.it>
Author: Xiangrui Meng <meng@databricks.com>
Author: selvinsource <vselvaggio@hotmail.it>
Closes #3062 from selvinsource/mllib_pmml_model_export_SPARK-1406 and squashes the following commits:
852aac6 [Vincenzo Selvaggio] [SPARK-1406] Update JPMML version to 1.1.15 in LICENSE file
085cf42 [Vincenzo Selvaggio] [SPARK-1406] Added Double Min and Max Fixed scala style
30165c4 [Vincenzo Selvaggio] [SPARK-1406] Fixed extreme cases for logit
7a5e0ec [Vincenzo Selvaggio] [SPARK-1406] Binary classification for SVM and Logistic Regression
cfcb596 [Vincenzo Selvaggio] [SPARK-1406] Throw IllegalArgumentException when exporting a multinomial logistic regression
25dce33 [Vincenzo Selvaggio] [SPARK-1406] Update code to latest pmml model
dea98ca [Vincenzo Selvaggio] [SPARK-1406] Exclude transitive dependency for pmml model
66b7c12 [Vincenzo Selvaggio] [SPARK-1406] Updated pmml model lib to 1.1.15, latest Java 6 compatible
a0a55f7 [Vincenzo Selvaggio] Merge pull request #2 from mengxr/SPARK-1406
3c22f79 [Xiangrui Meng] more code style
e2313df [Vincenzo Selvaggio] Merge pull request #1 from mengxr/SPARK-1406
472d757 [Xiangrui Meng] fix code style
1676e15 [Vincenzo Selvaggio] fixed scala issue
e2ffae8 [Vincenzo Selvaggio] fixed scala style
b8823b0 [Vincenzo Selvaggio] Merge remote-tracking branch 'upstream/master' into mllib_pmml_model_export_SPARK-1406
b25bbf7 [Vincenzo Selvaggio] [SPARK-1406] Added export of pmml to distributed file system using the spark context
7a949d0 [Vincenzo Selvaggio] [SPARK-1406] Fixed scala style
f46c75c [Vincenzo Selvaggio] [SPARK-1406] Added PMMLExportable to supported models
7b33b4e [Vincenzo Selvaggio] [SPARK-1406] Added a PMMLExportable interface Restructured code in a new package mllib.pmml Supported models implements the new PMMLExportable interface: LogisticRegression, SVM, KMeansModel, LinearRegression, RidgeRegression, Lasso
d559ec5 [Vincenzo Selvaggio] Merge remote-tracking branch 'upstream/master' into mllib_pmml_model_export_SPARK-1406
8fe12bb [Vincenzo Selvaggio] [SPARK-1406] Adjusted logistic regression export description and target categories
03bc3a5 [Vincenzo Selvaggio] added logistic regression
da2ec11 [Vincenzo Selvaggio] [SPARK-1406] added linear SVM PMML export
82f2131 [Vincenzo Selvaggio] Merge remote-tracking branch 'upstream/master' into mllib_pmml_model_export_SPARK-1406
19adf29 [Vincenzo Selvaggio] [SPARK-1406] Fixed scala style
1faf985 [Vincenzo Selvaggio] [SPARK-1406] Added target field to the regression model for completeness Adjusted unit test to deal with this change
3ae8ae5 [Vincenzo Selvaggio] [SPARK-1406] Adjusted imported order according to the guidelines
c67ce81 [Vincenzo Selvaggio] Merge remote-tracking branch 'upstream/master' into mllib_pmml_model_export_SPARK-1406
78515ec [Vincenzo Selvaggio] [SPARK-1406] added pmml export for LinearRegressionModel, RidgeRegressionModel and LassoModel
e29dfb9 [Vincenzo Selvaggio] removed version, by default is set to 4.2 (latest from jpmml) removed copyright
ae8b993 [Vincenzo Selvaggio] updated some commented tests to use the new ModelExporter object reordered the imports
df8a89e [Vincenzo Selvaggio] added pmml version to pmml model changed the copyright to spark
a1b4dc3 [Vincenzo Selvaggio] updated imports
834ca44 [Vincenzo Selvaggio] reordered the import accordingly to the guidelines
349a76b [Vincenzo Selvaggio] new helper object to serialize the models to pmml format
c3ef9b8 [Vincenzo Selvaggio] set it to private
6357b98 [Vincenzo Selvaggio] set it to private
e1eb251 [Vincenzo Selvaggio] removed serialization part, this will be part of the ModelExporter helper object
aba5ee1 [Vincenzo Selvaggio] fixed cluster export
cd6c07c [Vincenzo Selvaggio] fixed scala style to run tests
f75b988 [Vincenzo Selvaggio] Merge remote-tracking branch 'origin/master' into mllib_pmml_model_export_SPARK-1406
07a29bf [selvinsource] Update LICENSE
8841439 [Vincenzo Selvaggio] adjust scala style in order to compile
1433b11 [Vincenzo Selvaggio] complete suite tests
8e71b8d [Vincenzo Selvaggio] kmeans pmml export implementation
9bc494f [Vincenzo Selvaggio] added scala suite tests added saveLocalFile to ModelExport trait
226e184 [Vincenzo Selvaggio] added javadoc and export model type in case there is a need to support other types of export (not just PMML)
a0e3679 [Vincenzo Selvaggio] export and pmml export traits kmeans test implementation
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Author: DB Tsai <dbt@netflix.com>
Closes #5794 from dbtsai/clean and squashes the following commits:
ad639dd [DB Tsai] Indentation
834d527 [DB Tsai] Some code clean up.
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Main change: Added isValid field to Param. Modified all usages to use isValid when relevant. Added helper methods in ParamValidate.
Also overrode Params.validate() in:
* CrossValidator + model
* Pipeline + model
I made a few updates for the elastic net patch:
* I changed "tol" to "convergenceTol"
* I added some documentation
This PR is Scala + Java only. Python will be in a follow-up PR.
CC: mengxr
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #5740 from jkbradley/enforce-validate and squashes the following commits:
ad9c6c1 [Joseph K. Bradley] re-generated sharedParams after merging with current master
76415e8 [Joseph K. Bradley] reverted convergenceTol to tol
af62f4b [Joseph K. Bradley] Removed changes to SparkBuild, python linalg. Fixed test failures. Renamed ParamValidate to ParamValidators. Removed explicit type from ParamValidators calls where possible.
bb2665a [Joseph K. Bradley] merged with elastic net pr
ecda302 [Joseph K. Bradley] fix rat tests, plus add a little doc
6895dfc [Joseph K. Bradley] small cleanups
069ac6d [Joseph K. Bradley] many cleanups
928fb84 [Joseph K. Bradley] Maybe done
a910ac7 [Joseph K. Bradley] still workin
6d60e2e [Joseph K. Bradley] Still workin
b987319 [Joseph K. Bradley] Partly done with adding checks, but blocking on adding checking functionality to Param
dbc9fb2 [Joseph K. Bradley] merged with master. enforcing Params.validate
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