

computing avg in pig
> I have data in format
> > > 1,1.2 > > 2,1.3 > > and so on.. > > > > So basically this is id, val combination where id is unique... > > > > I want to calculate the average of all the values.. > > > > So here.. avg(1.2,1.3) > > > > I was going thru the documentation but most of the aggregation function involves grouping by some id.. and then using AVG... but since the id is unique.. how do I group them??? > > So basically the outcome of this endeavor would be one float.. > > Any suggestions will be greatly appreciated. > > Thanks +
Alan Gates 20121106, 19:25


