Hi Jessica, this tells me that your text is saved as a factor. Try : names <- read.csv(file="Names.csv",stringsAsFactors=F)
Cheers Joris On Tue, Jun 1, 2010 at 11:04 AM, Jessica Queree <j.j.que...@googlemail.com>wrote: > My issue relates to adding text to a matrix and finding that the text is > converted to a number. > > > > This is the section of code I'm having trouble with: > > > > # First, I load in a list of names from a .csv file to 'names' > > names <- read.csv(file("Names.csv")) > > > > # Then I define a matrix which will be populated with various test > statistics, with several rows for each entry in names > > > > testOutput <-matrix(nrow = 200, ncol = 5) > > for (i in 1:nrow(names)){ > > > > testOutput[i,1] <- names[i,1] > > testOutput[i,2] <- names[i,2] > > > > # test statistics code here > > > > } > > > > > > If I look at names[,1], I get the following: > > > > names[,1] > > [1] EQ_Level_UK EQ_Level_EUR EQ_Level_US EQ_Level_Far > East > > [5] IR_PC 1_UK IR_PC 2_UK IR_PC 3_UK Swap_PC 1_UK > > [9] Swap_PC 2_UK Swap_PC 3_UK FX_Level_EUR FX_Level_US > > [13] FX_Level_Far East Infl_PC 1_UK Infl_PC 2_UK Infl_PC 3_UK > > [17] Prop_Level_UK CreditAAA_PC 1_UK CreditAAA_PC 2_UK CreditAAA_PC > 3_UK > > [21] CreditAA_PC 1_UK CreditAA_PC 2_UK CreditAA_PC 3_UK CreditA_PC 1_UK > > [25] CreditA_PC 2_UK CreditA_PC 3_UK CreditBBB_PC 1_UK CreditBBB_PC > 2_UK > > [29] CreditBBB_PC 3_UK > > 29 Levels: CreditA_PC 1_UK CreditA_PC 2_UK CreditA_PC 3_UK ... Swap_PC 3_UK > > > > But if I look at testOutput[,1], I get: > > > > testOutput[,1] > > [1] "15" "13" "16" "14" "23" "24" "25" "27" "28" "29" "17" "19" "18" "20" > "21" > > [16] "22" "26" "7" "8" "9" "4" "5" "6" "1" "2" "3" "10" "11" "12" > "17" > > [31] NA NA "19" "18" NA NA NA "20" NA NA "21" NA NA "22" > NA > > [46] NA "26" NA NA "7" NA NA "8" NA NA "9" NA NA "4" > NA > > [61] NA "5" NA NA "6" NA NA "1" NA NA "2" NA NA "3" > NA > > [76] NA "10" NA NA "11" NA NA "12" NA NA NA NA NA NA > NA > > [91] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [106] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [121] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [136] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [151] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [166] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [181] NA NA NA NA NA NA NA NA NA NA NA NA NA NA > NA > > [196] NA NA NA NA NA > > > > That is, the names are now converted to numbers. I think this might have > something to do with the way I've defined the testOutput matrix, but > haven't > been able to find any information about how to fix it. Can anyone help? > > > > Many thanks. > > [[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. > -- Joris Meys Statistical Consultant Ghent University Faculty of Bioscience Engineering Department of Applied mathematics, biometrics and process control Coupure Links 653 B-9000 Gent tel : +32 9 264 59 87 joris.m...@ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php [[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.