Hi Try this: mydat <-read.table(text=" ABC XYZ 12 6 6 50 90 100 55 85 100 25 ",sep="",header=TRUE) apply(mydat,2,quantile,probs=0.2) ABC XYZ 10.8 21.2 A.K.
----- Original Message ----- From: Rantony <antony.akk...@ge.com> To: r-help@r-project.org Cc: Sent: Wednesday, July 18, 2012 3:06 AM Subject: [R] NTH PERCENTILE COULMNWIESE Hi, Here i have an matrix mydat <- ABC XYZ ----- ------ 12 6 6 50 90 100 55 85 100 25 i need to find the " NTH percentile " [result should be in column-wise]. here i have a code for NTH percenile, For eg:- if i need 20th-percentile then, quantile(ncol(mydat),.2) - here i getting output for complete matrix ,But i need this for all the columnswise. like this, for nth percentile ABC XYZ ------ ------- 20% 10 24 [here, given percentile value is not exact result, its just for output format] -Its urgent ! - Thanks Antony. -- View this message in context: http://r.789695.n4.nabble.com/NTH-PERCENTILE-COULMNWIESE-tp4636839.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
