stddev(expr) – Returns the sample standard deviation calculated from values of a group. Platforms: WhereOS,

sst(double|array x [, const string options]) – Returns change-point scores and decisions using Singular Spectrum

split_words(string query [, string regex]) – Returns an array containing splitted strings Platforms: WhereOS, Spark,

Platforms: WhereOS, Spark, Hive Class: com.whereos.udf.LineSplitterUDTF More functions can be added to WhereOS via Python

sqrt(expr) – Returns the square root of `expr`. Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.Sqrt More

soundex(str) – Returns Soundex code of the string. Platforms: WhereOS, Spark, Hive Class: org.apache.spark.sql.catalyst.expressions.SoundEx More