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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