org.apache.pig.piggybank.evaluation
Classes 
ExtremalTupleByNthField
ExtremalTupleByNthField.HelperClass
IsDouble
IsFloat
IsInt
IsLong
IsNumeric
MaxTupleBy1stField
MaxTupleBy1stField.Final
MaxTupleBy1stField.Initial
MaxTupleBy1stField.Intermediate