Try plot( sales[ 13:24, "serial" ], sales[ 13:24, i ], xlab="Month No", ylab="No/month")
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Pete Phillips > Sent: 06 March 2004 09:53 > To: [EMAIL PROTECTED] > Subject: [R] how to loop through names ? > > > > Hi > > I'm sure I'm missing something very straighforward here :-( > > I have a data set 'sales' as follows: > ========================================== > # read in the sales data > sales<-read.table("sales.dat",header=TRUE); > #generate a serial field > sales$serial=c(1:24) > > sales > > an l ml ne ni total serial > 1 43 25 35 51 17 69 1 > 2 38 18 47 94 3 99 2 > ....... > 24 58 13 41 95 4 1 24 > =========================================== > > (extra rows and columns deleted). > > I wish to produce a postscript plot file for each column plotted vs the > serial column, using either the 1st to 12th row or the 13th to 24th > rows, where the filename consists of the column name with '.ps' added. > > This the code I have so far: > > ============================================ > for (i in 1:(length(names(sales))-1)) { > > fname <- paste(names(sales)[[i]],".ps",sep="") > > postscript(file=fname) > > plot( > sales$serial[13:24], > sales[names(sales)[[i]]][13:24], > xlab="Month No", ylab="No/month") > dev.off() > > } > ============================================== > > The filename generation works (yay!), but I think I have missed > something very basic here as that plot line seems too complex (and > doesn't work!). > > Any ideas please ? > > Pete > -- > Pete Phillips, Deputy Director, | http://www.smtl.co.uk/ > Surgical Materials Testing Lab, | http://www.worldwidewounds.com/ > Princess of Wales Hospital, S Wales | http://www.dressings.org/ > Tel/Fax: +44 1656-752820/30 | [EMAIL PROTECTED] > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
