rand([seed]) – Returns a random value with independent and identically distributed (i.i.d.) uniformly distributed values

r2(double predicted, double actual) – Return R Squared (coefficient of determination) Platforms: WhereOS, Spark, Hive

quantify(boolean output, col1, col2, …) – Returns an identified features Platforms: WhereOS, Spark, Hive Class:

quantitative_features(array featureNames, feature1, feature2, .. [, const string options]) – Returns a feature vector array

quarter(date) – Returns the quarter of the year for date, in the range 1 to

prefixed_hash_values(array values, string prefix [, boolean useIndexAsPrefix]) returns array that each element has the specified