Hi Nikita,
To check whether the files are really there, run the following at the R prompt:
getwd()
list.files()
> *C:/Users/acer/My Documents/specdata/rprog-data-specdata/specdata*
Your working path looks like you either need to set it to:
C:/Users/acer/My Documents/specdata/rprog-data-specda
This is pretty obviously difficulty in completing an assignment for a Coursera
task. You are asked by the Course Director of the entry-level R course to post
your questions to a website established for the purpose of requesting
assistance. Rhelp is a text-only mailing list (although you might
I am having a problem in opening the excel files in specdata folder.
I have completed coding the R program for the assignment but when I run the
following commands in the R console,
*source("pollutantmean.R")*
*> pollutantmean("specdata", "nitrate", 23)*
I get an error message stating
*Error in
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