public class StringArrayToRating extends Object implements org.apache.spark.api.java.function.Function<String[],org.apache.spark.mllib.recommendation.Rating>
Rating
objectConstructor and Description |
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StringArrayToRating(int userIndex,
int productIndex,
int ratingIndex)
Constructs a StringArrayToRating transformer object
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public StringArrayToRating(int userIndex, int productIndex, int ratingIndex)
userIndex
- column index containing user_idproductIndex
- column index containing product_idratingIndex
- column index containing rating valuepublic org.apache.spark.mllib.recommendation.Rating call(String[] tokens) throws MLModelBuilderException
call
in interface org.apache.spark.api.java.function.Function<String[],org.apache.spark.mllib.recommendation.Rating>
MLModelBuilderException
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