it works perfectly!!!! thank you for your help.... what if i want to seperate each stations data and save in a .csv file?? while i'm asking you these i'm also finding some ways to do so..
thank you again. jholtman wrote: > > try using: > > data.info <- rbind(data.info, cbind(station.id, year, date, > max.discharge)) > > On Tue, Feb 17, 2009 at 9:26 PM, CJ Rubio <cjru...@kongju.ac.kr> wrote: >> >> i have the following constructed and running very well,, thanks to Gabor >> Grothendieck for his help. >> >>>data.info <- c("station.id", "year", "date", "max.discharge") >>> >>> for(i in 1:num.files) { >> + station.id <- substring(data[i], 1,8) >> + DF <- read.table(data[i], sep=",", blank.lines.skip = TRUE) >> + z <- zoo(DF[,4], as.Date(as.character(DF[,3]), "%m/%d/%Y")) >> + f <- function(x) time(x) [which.max(x)] >> + ix <- tapply(z, floor(as.yearmon(time(z))),f) >> + year <- (1988:2005) >> + date <- time(z[ix]) >> + max.discharge <- coredata(z[ix]) >> + data.info <- rbind(data.info, c(station.id, year, date, max.discharge)) >> + } >> >> my problem with my code occurs in the part where I arrange my results.. >> after running this code, i get this warning: >> >> Warning message: >> In rbind(data.info, c(station.id, year, date, max.discharge)) : >> number of columns of result is not a multiple of vector length (arg 1) >> >> >> i can't figure out what to do to produce the result i wanted: >> (for each station, it should look like this:) >> >> data.info "station.id" "year" "date" "max.discharge" >> "01014000" 1988 "1988-11-07" 4360 >> "01014000" 1989 "1989-05-13" 20000 >> "01014000" 1990 "1990-10-25" 9170 >> "01014000" 1991 "1991-04-22" 12200 >> "01014000" 1992 "1992-03-29" 11800 >> .... >> "01014000" 2005 "2005-04-04" 22100 >> >> thanks in advence for your help.. >> -- >> View this message in context: >> http://www.nabble.com/rbind%3A-number-of-columns-of-result-is-not-a-multiple-of-vector-length-%28arg-1%29-tp22070942p22070942.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. >> > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > > ______________________________________________ > 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. > > -- View this message in context: http://www.nabble.com/rbind%3A-number-of-columns-of-result-is-not-a-multiple-of-vector-length-%28arg-1%29-tp22070942p22071324.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.