July 2018
Intermediate to advanced
334 pages
8h 20m
English
Content preview from Modern Scala Projects
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Using StringIndexer to transform our input label column
Now, let's index our label input in the dataset using StringIndexer as follows:
import org.apache.spark.ml.feature.StringIndexerval indexedLabel = new StringIndexer(new StringArrayParam("label"), new StringArrayParam("label2"), ...) cleanedDataFrame4 = indexedLabel.fit(cleanedDataFrame3).transform(cleanedDataFrame3)
Next, let's drop the input label column label.
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