| # |
| # 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/bisectingKmeans.R |
| |
| # Load SparkR library into your R session |
| library(SparkR) |
| |
| # Initialize SparkSession |
| sparkR.session(appName = "SparkR-ML-bisectingKmeans-example") |
| |
| # $example on$ |
| t <- as.data.frame(Titanic) |
| training <- createDataFrame(t) |
| |
| # Fit bisecting k-means model with four centers |
| model <- spark.bisectingKmeans(training, Class ~ Survived, k = 4) |
| |
| # get fitted result from a bisecting k-means model |
| fitted.model <- fitted(model, "centers") |
| |
| # Model summary |
| head(summary(fitted.model)) |
| |
| # fitted values on training data |
| fitted <- predict(model, training) |
| head(select(fitted, "Class", "prediction")) |
| # $example off$ |
| |
| sparkR.session.stop() |