[R] getting the unique values and counts from a vector
Wladimir Eremeev
wl at eimb.ru
Fri May 20 17:57:01 CEST 2005
Dear Ravi,
>From a vector, I want to get the unique values and the counts of these
>unique values in the vector. For example, x<-c(2,1,2,1,4,2,1,4,1,1)
try
> hist(x,plot=FALSE,breask=unique(x))$counts
[1] 5 3 0 0 0 2
--
Best regards
Wladimir Eremeev mailto:wl at eimb.ru
==========================================================================
Research Scientist, PhD Leninsky Prospect 33,
Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071,
Institute of Ecology, Phone: (095) 135-9972;
Russian Academy of Sciences Fax: (095) 135-9972
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