Need HELP: how find and use a csv file?

However, when i enter:    skatter.csv<-read.csv("skatter.csv", header=TRUE) i get this message: 
Error in file(file, "rt") : cannot open the connection 
In addition: Warning message: 
In file(file, "rt") : 
I have tried with:   skatter.csv<-file.choose() and other codes to find the file but it does not work. 

Could it be a problem with your Working directory? use getwd() to find
out whether your working directory is set to your Desktop where your
file seems to be and use setwd("/Path/to/Desktop") to go there if you
aren't. Then you can use read.csv() without an absolute path for your
file as you did above

Regards, Moritz

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