On Apr 6, 2012, at 00:25 , ikuzar wrote: > Hi, > > I'd like to know how to get a vector of min value from many vectors without > making a loop. For example : > >> v1 = c( 1, 2, 3) >> v2 = c( 2, 3, 4) >> v3 = c(3, 4, 5) >> df = data.frame(v1, v2, v3) >> df > v1 v2 v3 > 1 1 2 3 > 2 2 3 4 > 3 3 4 5 >> min_vect = min(df) >> min_vect > [1] 1 > > I 'd like to get min_vect = (1, 2, 3), where 1 is the min of v1, 2 is the > min of v2 and 3 is the min of v3. > > The example above are very easy but, in real, I have got v1, v2, ... v1440
sapply(df, min) (possibly sapply(df, min, na.rm=TRUE) ) > > Thanks for your help, > > ikuzar > > -- > View this message in context: > http://r.789695.n4.nabble.com/how-to-compute-a-vector-of-min-values-tp4536224p4536224.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. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.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.
