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Diffstat (limited to 'examples/src/main/r/ml/kmeans.R')
| -rw-r--r-- | examples/src/main/r/ml/kmeans.R | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/examples/src/main/r/ml/kmeans.R b/examples/src/main/r/ml/kmeans.R new file mode 100644 index 0000000000..043b21b038 --- /dev/null +++ b/examples/src/main/r/ml/kmeans.R @@ -0,0 +1,44 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +# To run this example use +# ./bin/spark-submit examples/src/main/r/ml/kmeans.R + +# Load SparkR library into your R session +library(SparkR) + +# Initialize SparkSession +sparkR.session(appName = "SparkR-ML-kmeans-example") + +# $example on$ +# Fit a k-means model with spark.kmeans +irisDF <- suppressWarnings(createDataFrame(iris)) +kmeansDF <- irisDF +kmeansTestDF <- irisDF +kmeansModel <- spark.kmeans(kmeansDF, ~ Sepal_Length + Sepal_Width + Petal_Length + Petal_Width, + k = 3) + +# Model summary +summary(kmeansModel) + +# Get fitted result from the k-means model +showDF(fitted(kmeansModel)) + +# Prediction +kmeansPredictions <- predict(kmeansModel, kmeansTestDF) +showDF(kmeansPredictions) +# $example off$ |