Hi Jorge, thank-you for the quick response. That suggestion worked
perfectly.
Have a Happy New Year too!
Irucka Embry
<-----Original Message----->
>From: Jorge I Velez [jorgeivanve...@gmail.com]
>Sent: 12/31/2012 5:05:14 AM
>To: iruc...@mail2world.com
>Cc: r-help@r-project.org
>Subject: Re: [R] error when using subset (0 observations)
>
>Dear Irucka,
>
>
>Use "02169570" instead of 02169570 -- note the quotes -- when calling
subset().
>
>
>Hope it helps.
>
>
>Happy New Year,
>Jorge.-
>
>
>
>
>On Mon, Dec 31, 2012 at 9:45 PM, Irucka Embry <> wrote:
>
>Hi, how are you?
>
>My name is Irucka Embry and I would like assistance on properly
>subsetting some data obtained from a .csv file.
>
>> file <-"info_n.csv"
>
>> INFO<- getMetaDataFromFile(file)
>INFO is 92 observations of 14 variables
>
>> INFO<- subset(INFO,site.no==02169570)
>INFO is 0 observations of 14 variables
>
>When the site.no is used I should have 1 observation of 14 variables
>instead of 0. Can you assist me?
>
>Thank-you.
>
>Irucka Embry
>
>
>This is the function that is called:
>getMetaDataFromFile <- function(file, hasHeader = TRUE, separator =
",")
>{
>totalPath <- paste(file, sep = "")
>tmp <- read.csv(totalPath, header = hasHeader, sep = separator, fill =
>TRUE, comment.char = "#", as.is = TRUE, stringsAsFactors = FALSE,
>na.strings = "NA")
>retval <- as.data.frame(tmp, stringsAsFactors = FALSE)
>return(retval)
>}
>
>
>This is an example of the data that is stored in the "info_n.csv" file.
>There are 92 total sites in this file.
>site.no flowstation.no shortName dec.lat.va dec.long.va drainSqKm
>areaUnits drainSqKmFlow areaUnits staAbbrev param.nm paramShortName
>constitAbbrev param.units
>2169570 2169570 Gills Creek at Columbia, SC 33.98960016 -80.97425727
>152.7543752904 2 152.7543752904 2 GillsColumSC Total nitrogen, water,
>unfiltered, milligrams per liter Nitrate as N TN mg/L
>
>
>
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