Both aggregate and custom functionality given by Jim works.
Thanks
On 4/1/07, Gabor Grothendieck [EMAIL PROTECTED] wrote:
Try this:
aggregate(a[3], a[1:2], max)
On 3/31/07, Deepak Manohar [EMAIL PROTECTED] wrote:
Hi team,
I have the data of the form:
a- data.frame(x=c(1,2,1,4,3
from using the by
function, please inform me regarding that as well.
-- Deepak Manohar T
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appreciate if anyone could suggest a way to
get around this error message and help me build the
package.
thanks in advance,
manohar
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