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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