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* [SPARK-7606] [SQL] [PySpark] add version to Python SQL API docsDavies Liu2015-05-207-18/+170
| | | | | | | | | | | | | Add version info for public Python SQL API. cc rxin Author: Davies Liu <davies@databricks.com> Closes #6295 from davies/versions and squashes the following commits: cfd91e6 [Davies Liu] add more version for DataFrame API 600834d [Davies Liu] add version to SQL API docs
* [SPARK-7762] [MLLIB] set default value for outputColXiangrui Meng2015-05-202-2/+3
| | | | | | | | | | | | | Set a default value for `outputCol` instead of forcing users to name it. This is useful for intermediate transformers in the pipeline. jkbradley Author: Xiangrui Meng <meng@databricks.com> Closes #6289 from mengxr/SPARK-7762 and squashes the following commits: 54edebc [Xiangrui Meng] merge master bff8667 [Xiangrui Meng] update unit test 171246b [Xiangrui Meng] add unit test for outputCol a4321bd [Xiangrui Meng] set default value for outputCol
* [SPARK-7511] [MLLIB] pyspark ml seed param should be random by default or 42 ↵Holden Karau2015-05-208-64/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | is quite funny but not very random Author: Holden Karau <holden@pigscanfly.ca> Closes #6139 from holdenk/SPARK-7511-pyspark-ml-seed-param-should-be-random-by-default-or-42-is-quite-funny-but-not-very-random and squashes the following commits: 591f8e5 [Holden Karau] specify old seed for doc tests 2470004 [Holden Karau] Fix a bunch of seeds with default values to have None as the default which will then result in using the hash of the class name cbad96d [Holden Karau] Add the setParams function that is used in the real code 423b8d7 [Holden Karau] Switch the test code to behave slightly more like production code. also don't check the param map value only check for key existence 140d25d [Holden Karau] remove extra space 926165a [Holden Karau] Add some missing newlines for pep8 style 8616751 [Holden Karau] merge in master 58532e6 [Holden Karau] its the __name__ method, also treat None values as not set 56ef24a [Holden Karau] fix test and regenerate base afdaa5c [Holden Karau] make sure different classes have different results 68eb528 [Holden Karau] switch default seed to hash of type of self 89c4611 [Holden Karau] Merge branch 'master' into SPARK-7511-pyspark-ml-seed-param-should-be-random-by-default-or-42-is-quite-funny-but-not-very-random 31cd96f [Holden Karau] specify the seed to randomforestregressor test e1b947f [Holden Karau] Style fixes ce90ec8 [Holden Karau] merge in master bcdf3c9 [Holden Karau] update docstring seeds to none and some other default seeds from 42 65eba21 [Holden Karau] pep8 fixes 0e3797e [Holden Karau] Make seed default to random in more places 213a543 [Holden Karau] Simplify the generated code to only include set default if there is a default rather than having None is note None in the generated code 1ff17c2 [Holden Karau] Make the seed random for HasSeed in python
* [SPARK-6094] [MLLIB] Add MultilabelMetrics in PySpark/MLlibYanbo Liang2015-05-201-0/+117
| | | | | | | | | | Add MultilabelMetrics in PySpark/MLlib Author: Yanbo Liang <ybliang8@gmail.com> Closes #6276 from yanboliang/spark-6094 and squashes the following commits: b8e3343 [Yanbo Liang] Add MultilabelMetrics in PySpark/MLlib
* [SPARK-7738] [SQL] [PySpark] add reader and writer API in PythonDavies Liu2015-05-195-90/+421
| | | | | | | | | | | | | | | cc rxin, please take a quick look, I'm working on tests. Author: Davies Liu <davies@databricks.com> Closes #6238 from davies/readwrite and squashes the following commits: c7200eb [Davies Liu] update tests 9cbf01b [Davies Liu] Merge branch 'master' of github.com:apache/spark into readwrite f0c5a04 [Davies Liu] use sqlContext.read.load 5f68bc8 [Davies Liu] update tests 6437e9a [Davies Liu] Merge branch 'master' of github.com:apache/spark into readwrite bcc6668 [Davies Liu] add reader amd writer API in Python
* [SPARK-7150] SparkContext.range() and SQLContext.range()Daoyuan Wang2015-05-184-0/+46
| | | | | | | | | | | | | | | | | | | | | | This PR is based on #6081, thanks adrian-wang. Closes #6081 Author: Daoyuan Wang <daoyuan.wang@intel.com> Author: Davies Liu <davies@databricks.com> Closes #6230 from davies/range and squashes the following commits: d3ce5fe [Davies Liu] add tests 789eda5 [Davies Liu] add range() in Python 4590208 [Davies Liu] Merge commit 'refs/pull/6081/head' of github.com:apache/spark into range cbf5200 [Daoyuan Wang] let's add python support in a separate PR f45e3b2 [Daoyuan Wang] remove redundant toLong 617da76 [Daoyuan Wang] fix safe marge for corner cases 867c417 [Daoyuan Wang] fix 13dbe84 [Daoyuan Wang] update bd998ba [Daoyuan Wang] update comments d3a0c1b [Daoyuan Wang] add range api()
* [SPARK-6216] [PYSPARK] check python version of worker with driverDavies Liu2015-05-186-12/+16
| | | | | | | | | | | | This PR revert #5404, change to pass the version of python in driver into JVM, check it in worker before deserializing closure, then it can works with different major version of Python. Author: Davies Liu <davies@databricks.com> Closes #6203 from davies/py_version and squashes the following commits: b8fb76e [Davies Liu] fix test 6ce5096 [Davies Liu] use string for version 47c6278 [Davies Liu] check python version of worker with driver
* [SPARK-7380] [MLLIB] pipeline stages should be copyable in PythonXiangrui Meng2015-05-1813-254/+490
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* [SPARK-6657] [PYSPARK] Fix doc warningsXiangrui Meng2015-05-184-10/+11
| | | | | | | | | | | | | | | | | | | | | | | Fixed the following warnings in `make clean html` under `python/docs`: ~~~ /Users/meng/src/spark/python/pyspark/mllib/evaluation.py:docstring of pyspark.mllib.evaluation.RankingMetrics.ndcgAt:3: ERROR: Unexpected indentation. /Users/meng/src/spark/python/pyspark/mllib/evaluation.py:docstring of pyspark.mllib.evaluation.RankingMetrics.ndcgAt:4: WARNING: Block quote ends without a blank line; unexpected unindent. /Users/meng/src/spark/python/pyspark/mllib/fpm.py:docstring of pyspark.mllib.fpm.FPGrowth.train:3: ERROR: Unexpected indentation. /Users/meng/src/spark/python/pyspark/mllib/fpm.py:docstring of pyspark.mllib.fpm.FPGrowth.train:4: WARNING: Block quote ends without a blank line; unexpected unindent. /Users/meng/src/spark/python/pyspark/sql/__init__.py:docstring of pyspark.sql.DataFrame.replace:16: WARNING: Field list ends without a blank line; unexpected unindent. /Users/meng/src/spark/python/pyspark/streaming/kafka.py:docstring of pyspark.streaming.kafka.KafkaUtils.createRDD:8: ERROR: Unexpected indentation. /Users/meng/src/spark/python/pyspark/streaming/kafka.py:docstring of pyspark.streaming.kafka.KafkaUtils.createRDD:9: WARNING: Block quote ends without a blank line; unexpected unindent. ~~~ davies Author: Xiangrui Meng <meng@databricks.com> Closes #6221 from mengxr/SPARK-6657 and squashes the following commits: e3f83fe [Xiangrui Meng] fix sql and streaming doc warnings 2b4371e [Xiangrui Meng] fix mllib python doc warnings
* [SPARK-7543] [SQL] [PySpark] split dataframe.py into multiple filesDavies Liu2015-05-156-449/+552
| | | | | | | | | | | | | | | dataframe.py is splited into column.py, group.py and dataframe.py: ``` 360 column.py 1223 dataframe.py 183 group.py ``` Author: Davies Liu <davies@databricks.com> Closes #6201 from davies/split_df and squashes the following commits: fc8f5ab [Davies Liu] split dataframe.py into multiple files
* [SPARK-7073] [SQL] [PySpark] Clean up SQL data type hierarchy in PythonDavies Liu2015-05-151-30/+46
| | | | | | | | Author: Davies Liu <davies@databricks.com> Closes #6206 from davies/sql_type and squashes the following commits: 33d6860 [Davies Liu] [SPARK-7073] [SQL] [PySpark] Clean up SQL data type hierarchy in Python
* [SPARK-7651] [MLLIB] [PYSPARK] GMM predict, predictSoft should raise error ↵FlytxtRnD2015-05-151-0/+6
| | | | | | | | | | | | on bad input In the Python API for Gaussian Mixture Model, predict() and predictSoft() methods should raise an error when the input argument is not an RDD. Author: FlytxtRnD <meethu.mathew@flytxt.com> Closes #6180 from FlytxtRnD/GmmPredictException and squashes the following commits: 4b6aa11 [FlytxtRnD] Raise error if the input to predict()/predictSoft() is not an RDD
* [SPARK-6258] [MLLIB] GaussianMixture Python API parity checkYanbo Liang2015-05-151-14/+53
| | | | | | | | | | | | | | | | | | | 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
* [SPARK-7548] [SQL] Add explode function for DataFramesMichael Armbrust2015-05-143-3/+44
| | | | | | | | | | | | | | | | | | | | | | | Add an `explode` function for dataframes and modify the analyzer so that single table generating functions can be present in a select clause along with other expressions. There are currently the following restrictions: - only top level TGFs are allowed (i.e. no `select(explode('list) + 1)`) - only one may be present in a single select to avoid potentially confusing implicit Cartesian products. TODO: - [ ] Python Author: Michael Armbrust <michael@databricks.com> Closes #6107 from marmbrus/explodeFunction and squashes the following commits: 7ee2c87 [Michael Armbrust] whitespace 6f80ba3 [Michael Armbrust] Update dataframe.py c176c89 [Michael Armbrust] Merge remote-tracking branch 'origin/master' into explodeFunction 81b5da3 [Michael Armbrust] style d3faa05 [Michael Armbrust] fix self join case f9e1e3e [Michael Armbrust] fix python, add since 4f0d0a9 [Michael Armbrust] Merge remote-tracking branch 'origin/master' into explodeFunction e710fe4 [Michael Armbrust] add java and python 52ca0dc [Michael Armbrust] [SPARK-7548][SQL] Add explode function for dataframes.
* [SPARK-7619] [PYTHON] fix docstring signatureXiangrui Meng2015-05-145-55/+52
| | | | | | | | | | Just realized that we need `\` at the end of the docstring. brkyvz Author: Xiangrui Meng <meng@databricks.com> Closes #6161 from mengxr/SPARK-7619 and squashes the following commits: e44495f [Xiangrui Meng] fix docstring signature
* [SPARK-7648] [MLLIB] Add weights and intercept to GLM wrappers in spark.mlXiangrui Meng2015-05-143-1/+43
| | | | | | | | | | | Otherwise, users can only use `transform` on the models. brkyvz Author: Xiangrui Meng <meng@databricks.com> Closes #6156 from mengxr/SPARK-7647 and squashes the following commits: 1ae3d2d [Xiangrui Meng] add weights and intercept to LogisticRegression in Python f49eb46 [Xiangrui Meng] add weights and intercept to LinearRegressionModel
* [SPARK-7278] [PySpark] DateType should find datetime.datetime acceptableksonj2015-05-141-1/+1
| | | | | | | | | | DateType should not be restricted to `datetime.date` but accept `datetime.datetime` objects as well. Could someone with a little more insight verify this? Author: ksonj <kson@siberie.de> Closes #6057 from ksonj/dates and squashes the following commits: 68a158e [ksonj] DateType should find datetime.datetime acceptable too
* [SPARK-7382] [MLLIB] Feature Parity in PySpark for ml.classificationBurak Yavuz2015-05-133-10/+501
| | | | | | | | | | | | | The missing pieces in ml.classification for Python! cc mengxr Author: Burak Yavuz <brkyvz@gmail.com> Closes #6106 from brkyvz/ml-class and squashes the following commits: dd78237 [Burak Yavuz] fix style 1048e29 [Burak Yavuz] ready for PR
* [SPARK-7593] [ML] Python Api for ml.feature.BucketizerBurak Yavuz2015-05-131-0/+77
| | | | | | | | | | | | | 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
* [SPARK-7321][SQL] Add Column expression for conditional statements ↵Reynold Xin2015-05-123-2/+57
| | | | | | | | | | | | | | | | | | | | | | | | | (when/otherwise) This builds on https://github.com/apache/spark/pull/5932 and should close https://github.com/apache/spark/pull/5932 as well. As an example: ```python df.select(when(df['age'] == 2, 3).otherwise(4).alias("age")).collect() ``` Author: Reynold Xin <rxin@databricks.com> Author: kaka1992 <kaka_1992@163.com> Closes #6072 from rxin/when-expr and squashes the following commits: 8f49201 [Reynold Xin] Throw exception if otherwise is applied twice. 0455eda [Reynold Xin] Reset run-tests. bfb9d9f [Reynold Xin] Updated documentation and test cases. 762f6a5 [Reynold Xin] Merge pull request #5932 from kaka1992/IFCASE 95724c6 [kaka1992] Update 8218d0a [kaka1992] Update 801009e [kaka1992] Update 76d6346 [kaka1992] [SPARK-7321][SQL] Add Column expression for conditional statements (if, case)
* [SPARK-7572] [MLLIB] do not import Param/Params under pyspark.mlXiangrui Meng2015-05-123-7/+11
| | | | | | | | | | Remove `Param` and `Params` from `pyspark.ml` and add a section in the doc. brkyvz Author: Xiangrui Meng <meng@databricks.com> Closes #6094 from mengxr/SPARK-7572 and squashes the following commits: 022abd6 [Xiangrui Meng] do not import Param/Params under spark.ml
* [SPARK-7487] [ML] Feature Parity in PySpark for ml.regressionBurak Yavuz2015-05-126-8/+709
| | | | | | | | | | | | | | | | Added LinearRegression Python API Author: Burak Yavuz <brkyvz@gmail.com> Closes #6016 from brkyvz/ml-reg and squashes the following commits: 11c9ef9 [Burak Yavuz] address comments 1027a40 [Burak Yavuz] fix typo 4c699ad [Burak Yavuz] added tree regressor api 8afead2 [Burak Yavuz] made mixin for DT fa51c74 [Burak Yavuz] save additions 0640d48 [Burak Yavuz] added ml.regression 82aac48 [Burak Yavuz] added linear regression
* [SPARK-6876] [PySpark] [SQL] add DataFrame na.replace in pysparkDaoyuan Wang2015-05-122-0/+133
| | | | | | | | | | | | Author: Daoyuan Wang <daoyuan.wang@intel.com> Closes #6003 from adrian-wang/pynareplace and squashes the following commits: 672efba [Daoyuan Wang] remove py2.7 feature 4a148f7 [Daoyuan Wang] to_replace support dict, value support single value, and add full tests 9e232e7 [Daoyuan Wang] rename scala map af0268a [Daoyuan Wang] remove na 63ac579 [Daoyuan Wang] add na.replace in pyspark
* [SPARK-7509][SQL] DataFrame.drop in Python for dropping columns.Reynold Xin2015-05-111-1/+13
| | | | | | | | Author: Reynold Xin <rxin@databricks.com> Closes #6068 from rxin/drop-column and squashes the following commits: 9d7d5ec [Reynold Xin] [SPARK-7509][SQL] DataFrame.drop in Python for dropping columns.
* [SPARK-7324] [SQL] DataFrame.dropDuplicatesReynold Xin2015-05-111-2/+34
| | | | | | | | | | This should also close https://github.com/apache/spark/pull/5870 Author: Reynold Xin <rxin@databricks.com> Closes #6066 from rxin/dropDups and squashes the following commits: 130692f [Reynold Xin] [SPARK-7324][SQL] DataFrame.dropDuplicates
* [SPARK-7462][SQL] Update documentation for retaining grouping columns in ↵Reynold Xin2015-05-111-0/+2
| | | | | | | | | | DataFrames. Author: Reynold Xin <rxin@databricks.com> Closes #6062 from rxin/agg-retain-doc and squashes the following commits: 43e511e [Reynold Xin] [SPARK-7462][SQL] Update documentation for retaining grouping columns in DataFrames.
* [SPARK-7462] By default retain group by columns in aggregateReynold Xin2015-05-111-1/+1
| | | | | | | | | | | | | | | | | Updated Java, Scala, Python, and R. Author: Reynold Xin <rxin@databricks.com> Author: Shivaram Venkataraman <shivaram@cs.berkeley.edu> Closes #5996 from rxin/groupby-retain and squashes the following commits: aac7119 [Reynold Xin] Merge branch 'groupby-retain' of github.com:rxin/spark into groupby-retain f6858f6 [Reynold Xin] Merge branch 'master' into groupby-retain 5f923c0 [Reynold Xin] Merge pull request #15 from shivaram/sparkr-groupby-retrain c1de670 [Shivaram Venkataraman] Revert workaround in SparkR to retain grouped cols Based on reverting code added in commit https://github.com/amplab-extras/spark/commit/9a6be746efc9fafad88122fa2267862ef87aa0e1 b8b87e1 [Reynold Xin] Fixed DataFrameJoinSuite. d910141 [Reynold Xin] Updated rest of the files 1e6e666 [Reynold Xin] [SPARK-7462] By default retain group by columns in aggregate
* [SPARK-6092] [MLLIB] Add RankingMetrics in PySpark/MLlibYanbo Liang2015-05-111-2/+76
| | | | | | | | | 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
* [SPARK-7427] [PYSPARK] Make sharedParams match in Scala, PythonGlenn Weidner2015-05-103-21/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | Modified 2 files: python/pyspark/ml/param/_shared_params_code_gen.py python/pyspark/ml/param/shared.py Generated shared.py on Linux using Python 2.6.6 on Redhat Enterprise Linux Server 6.6. python _shared_params_code_gen.py > shared.py Only changed maxIter, regParam, rawPredictionCol based on strings from SharedParamsCodeGen.scala. Note warning was displayed when committing shared.py: warning: LF will be replaced by CRLF in python/pyspark/ml/param/shared.py. Author: Glenn Weidner <gweidner@us.ibm.com> Closes #6023 from gweidner/br-7427 and squashes the following commits: db72e32 [Glenn Weidner] [SPARK-7427] [PySpark] Make sharedParams match in Scala, Python 825e4a9 [Glenn Weidner] [SPARK-7427] [PySpark] Make sharedParams match in Scala, Python e6a865e [Glenn Weidner] [SPARK-7427] [PySpark] Make sharedParams match in Scala, Python 1eee702 [Glenn Weidner] Merge remote-tracking branch 'upstream/master' 1ac10e5 [Glenn Weidner] Merge remote-tracking branch 'upstream/master' cafd104 [Glenn Weidner] Merge remote-tracking branch 'upstream/master' 9bea1eb [Glenn Weidner] Merge remote-tracking branch 'upstream/master' 4a35c20 [Glenn Weidner] Merge remote-tracking branch 'upstream/master' 9790cbe [Glenn Weidner] Merge remote-tracking branch 'upstream/master' d9c30f4 [Glenn Weidner] [SPARK-7275] [SQL] [WIP] Make LogicalRelation public
* [SPARK-7431] [ML] [PYTHON] Made CrossValidatorModel call parent init in PySparkJoseph K. Bradley2015-05-103-3/+4
| | | | | | | | | | | | | Fixes bug with PySpark cvModel not having UID Also made small PySpark fixes: Evaluator should inherit from Params. MockModel should inherit from Model. CC: mengxr Author: Joseph K. Bradley <joseph@databricks.com> Closes #5968 from jkbradley/pyspark-cv-uid and squashes the following commits: 57f13cd [Joseph K. Bradley] Made CrossValidatorModel call parent init in PySpark
* [SPARK-6091] [MLLIB] Add MulticlassMetrics in PySpark/MLlibYanbo Liang2015-05-101-0/+129
| | | | | | | | | | | | 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
* [SPARK-7438] [SPARK CORE] Fixed validation of relativeSD in countApproxDistinctVinod K C2015-05-092-3/+0
| | | | | | | | | | | | Author: Vinod K C <vinod.kc@huawei.com> Closes #5974 from vinodkc/fix_countApproxDistinct_Validation and squashes the following commits: 3a3d59c [Vinod K C] Reverted removal of validation relativeSD<0.000017 799976e [Vinod K C] Removed testcase to assert IAE when relativeSD>3.7 8ddbfae [Vinod K C] Remove blank line b1b00a3 [Vinod K C] Removed relativeSD validation from python API,RDD.scala will do validation 122d378 [Vinod K C] Fixed validation of relativeSD in countApproxDistinct
* [SPARK-7488] [ML] Feature Parity in PySpark for ml.recommendationBurak Yavuz2015-05-083-0/+310
| | | | | | | | | | | | | | 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
* [SPARK-5913] [MLLIB] Python API for ChiSqSelectorYanbo Liang2015-05-081-2/+57
| | | | | | | | | | | 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
* [SPARK-7133] [SQL] Implement struct, array, and map field accessorWenchen Fan2015-05-082-12/+19
| | | | | | | | | | | | | | | | | | | | | | It's the first step: generalize UnresolvedGetField to support all map, struct, and array TODO: add `apply` in Scala and `__getitem__` in Python, and unify the `getItem` and `getField` methods to one single API(or should we keep them for compatibility?). Author: Wenchen Fan <cloud0fan@outlook.com> Closes #5744 from cloud-fan/generalize and squashes the following commits: 715c589 [Wenchen Fan] address comments 7ea5b31 [Wenchen Fan] fix python test 4f0833a [Wenchen Fan] add python test f515d69 [Wenchen Fan] add apply method and test cases 8df6199 [Wenchen Fan] fix python test 239730c [Wenchen Fan] fix test compile 2a70526 [Wenchen Fan] use _bin_op in dataframe.py 6bf72bc [Wenchen Fan] address comments 3f880c3 [Wenchen Fan] add java doc ab35ab5 [Wenchen Fan] fix python test b5961a9 [Wenchen Fan] fix style c9d85f5 [Wenchen Fan] generalize UnresolvedGetField to support all map, struct, and array
* [SPARK-7474] [MLLIB] update ParamGridBuilder doctestXiangrui Meng2015-05-081-15/+13
| | | | | | | | | | | | Multiline commands are properly handled in this PR. oefirouz ![screen shot 2015-05-07 at 10 53 25 pm](https://cloud.githubusercontent.com/assets/829644/7531290/02ad2fd4-f50c-11e4-8c04-e58d1a61ad69.png) Author: Xiangrui Meng <meng@databricks.com> Closes #6001 from mengxr/SPARK-7474 and squashes the following commits: b94b11d [Xiangrui Meng] update ParamGridBuilder doctest
* [SPARK-7383] [ML] Feature Parity in PySpark for ml.featuresBurak Yavuz2015-05-083-41/+849
| | | | | | | | | | | | | 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
* [SPARK-6948] [MLLIB] compress vectors in VectorAssemblerXiangrui Meng2015-05-071-3/+3
| | | | | | | | | | | 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
* [SPARK-7328] [MLLIB] [PYSPARK] Pyspark.mllib.linalg.Vectors: Missing itemsMechCoder2015-05-072-2/+171
| | | | | | | | | | | | | | | | | | | | Add 1. Class methods squared_dist 3. parse 4. norm 5. numNonzeros 6. copy I made a few vectorizations wrt squared_dist and dot as well. I have added support for SparseMatrix serialization in a separate PR (https://github.com/apache/spark/pull/5775) and plan to complete support for Matrices in another PR. Author: MechCoder <manojkumarsivaraj334@gmail.com> Closes #5872 from MechCoder/local_linalg_api and squashes the following commits: a8ff1e0 [MechCoder] minor ce3e53e [MechCoder] Add error message for parser 1bd3c04 [MechCoder] Robust parser and removed unnecessary methods f779561 [MechCoder] [SPARK-7328] Pyspark.mllib.linalg.Vectors: Missing items
* [SPARK-6093] [MLLIB] Add RegressionMetrics in PySpark/MLlibYanbo Liang2015-05-071-2/+76
| | | | | | | | | | | 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
* [SPARK-7118] [Python] Add the coalesce Spark SQL function available in PySparkOlivier Girardot2015-05-071-0/+37
| | | | | | | | | | | | | | This patch adds a proxy call from PySpark to the Spark SQL coalesce function and this patch comes out of a discussion on devspark with rxin This contribution is my original work and i license the work to the project under the project's open source license. Olivier. Author: Olivier Girardot <o.girardot@lateral-thoughts.com> Closes #5698 from ogirardot/master and squashes the following commits: d9a4439 [Olivier Girardot] SPARK-7118 Add the coalesce Spark SQL function available in PySpark
* [SPARK-7388] [SPARK-7383] wrapper for VectorAssembler in PythonBurak Yavuz2015-05-074-8/+78
| | | | | | | | | | | | | | | | 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
* [SPARK-7295][SQL] bitwise operations for DataFrame DSLShiti2015-05-073-0/+20
| | | | | | | | Author: Shiti <ssaxena.ece@gmail.com> Closes #5867 from Shiti/spark-7295 and squashes the following commits: 71a9913 [Shiti] implementation for bitwise and,or, not and xor on Column with tests and docs
* [SPARK-7432] [MLLIB] disable cv doctestXiangrui Meng2015-05-061-4/+4
| | | | | | | | | | Temporarily disable flaky doctest for CrossValidator. jkbradley Author: Xiangrui Meng <meng@databricks.com> Closes #5962 from mengxr/disable-pyspark-cv-test and squashes the following commits: 5db7e5b [Xiangrui Meng] disable cv doctest
* [SPARK-6940] [MLLIB] Add CrossValidator to Python ML pipeline APIXiangrui Meng2015-05-063-6/+194
| | | | | | | | | | | | | | 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
* [SPARK-6267] [MLLIB] Python API for IsotonicRegressionYanbo Liang2015-05-051-2/+71
| | | | | | | | | | | | | | | | 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
* [SPARK-7358][SQL] Move DataFrame mathfunctions into functionsBurak Yavuz2015-05-053-102/+53
| | | | | | | | | | | | | After a discussion on the user mailing list, it was decided to put all UDF's under `o.a.s.sql.functions` cc rxin Author: Burak Yavuz <brkyvz@gmail.com> Closes #5923 from brkyvz/move-math-funcs and squashes the following commits: a8dc3f7 [Burak Yavuz] address comments cf7a7bb [Burak Yavuz] [SPARK-7358] Move DataFrame mathfunctions into functions
* [SPARK-7294][SQL] ADD BETWEEN云峤2015-05-052-0/+15
| | | | | | | | | | | | | | | | | | | Author: 云峤 <chensong.cs@alibaba-inc.com> Author: kaka1992 <kaka_1992@163.com> Closes #5839 from kaka1992/master and squashes the following commits: b15360d [kaka1992] Fix python unit test in sql/test. =_= I forget to commit this file last time. f928816 [kaka1992] Fix python style in sql/test. d2e7f72 [kaka1992] Fix python style in sql/test. c54d904 [kaka1992] Fix empty map bug. 7e64d1e [云峤] Update 7b9b858 [云峤] undo f080f8d [云峤] update pep8 76f0c51 [云峤] Merge remote-tracking branch 'remotes/upstream/master' 7d62368 [云峤] [SPARK-7294] ADD BETWEEN baf839b [云峤] [SPARK-7294] ADD BETWEEN d11d5b9 [云峤] [SPARK-7294] ADD BETWEEN
* [SPARK-7333] [MLLIB] Add BinaryClassificationEvaluator to PySparkXiangrui Meng2015-05-058-3/+193
| | | | | | | | | | | | This PR adds `BinaryClassificationEvaluator` to Python ML Pipelines API, which is a simple wrapper of the Scala implementation. oefirouz Author: Xiangrui Meng <meng@databricks.com> Closes #5885 from mengxr/SPARK-7333 and squashes the following commits: 25d7451 [Xiangrui Meng] fix tests in python 3 babdde7 [Xiangrui Meng] fix doc cb51e6a [Xiangrui Meng] add BinaryClassificationEvaluator in PySpark
* [SPARK-7243][SQL] Reduce size for Contingency Tables in DataFramesBurak Yavuz2015-05-051-4/+5
| | | | | | | | | | | | | | Reduced take size from 1e8 to 1e6. cc rxin Author: Burak Yavuz <brkyvz@gmail.com> Closes #5900 from brkyvz/df-cont-followup and squashes the following commits: c11e762 [Burak Yavuz] fix grammar b30ace2 [Burak Yavuz] address comments a417ba5 [Burak Yavuz] [SPARK-7243][SQL] Reduce size for Contingency Tables in DataFrames
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