[R] Reading CSV file

Bretschneider SIG-R bretschr at xs4all.nl
Fri Apr 19 17:41:03 CEST 2013

Dear Gafar Matanmi Oyeyemi,


> I am trying to read a csv file using the code;
> contol <- read.csv("RBS.csv")
> This is the error message I got;
> Error in file(file, "r") : unable to open connection
> In addition: Warning message:
> In file(file, "r") :
> cannot open file 'RBS.csv', reason 'No such file or directory'

I always use "file.choose()" to find the exact path name, e.g.
contol <- read.csv(file.choose())
After having found the path name, you can put it in the R source text for future use (provided it remains the same of course).
Best wishes,

Franklin Bretschneider

Dept of Biology
Kruytgebouw W711
Padualaan 8
3584 CH Utrecht
The Netherlands

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