Try this: > require(sqldf) > x <- read.fwf(textConnection("4 - 4 56 + 4 - 3 61 + 3 - 3 300 + 3 - 3 27 + 3 - 3 33 + 3 - 3 87 + 3 - 4 49 + 4 - 4 71 + 4 - 3 121 + 3 - 4 138 + 4 - 3 15"), width = c(7,8) , header = FALSE, as.is = TRUE) > closeAllConnections() > sqldf(" + select V1 + , count(*) as Freq + , min(V2) as Min + , max(V2) as Max + , median(V2) as Median + from x + group by V1 + ") V1 Freq Min Max Median 1 3 - 3 4 27 300 60.0 2 3 - 4 2 49 138 93.5 3 4 - 3 3 15 121 61.0 4 4 - 4 2 56 71 63.5 >
On Tue, Mar 13, 2012 at 5:45 AM, RMSOPS <ricardosousa2...@clix.pt> wrote: > Hello > > I am developing a small program that to calculate the maximum, minimum > and average. > > The data.frame v is > > POS DIF > 4 - 4 56 > 4 - 3 61 > 3 - 3 300 > 3 - 3 27 > 3 - 3 33 > 3 - 3 87 > 3 - 4 49 > 4 - 4 71 > 4 - 3 121 > 3 - 4 138 > 4 - 3 15 > > > When execute res<-table(df$v) gives this > > Var1 Freq > 4 - 4 2 > 4 - 3 3 > 3 - 3 3 > 3 - 4 2 > 4 - 4 1 > > If possible, my idea is that the result often present in addition to the > minimum, maximum and average, all in a single array, for example. > what is the quickest way to do this > > Var1 Freq Min Max Med > 4 - 4 2 56 71 .... > 4 - 3 3 15 121 > 3 - 3 3 .... ..... > 3 - 4 2 ... ... > 4 - 4 1 ... .... > > Thanks > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/Matrix-Results-tp4468642p4468642.html > Sent from the R help mailing list archive at Nabble.com. > [[alternative HTML version deleted]] > > > ______________________________________________ > 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. > -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. ______________________________________________ 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.