Hi, Renato:
For CORRELATION, I guess you can do something like
A = load 'random.txt' using PigStorage(':') as
(f1:double,f2:double,.........,f500:double);
B = group A all;
D = foreach B generate group,COR(A.$0,A.$1,A.$2,A.$3,.......A.$499);For COVARIANCE, I guess the UDF is COV. Johnny On Tue, Mar 26, 2013 at 3:28 PM, Renato Marroquín Mogrovejo < [email protected]> wrote: > Hi all, > > Could anyone be kind enough to point me to some examples on using the > COVARIANCE and the CORRELATION UDFS described in here?[1] > > > Renato M. > > > [1] https://issues.apache.org/jira/browse/PIG-277 >
