[R] Help with Error

Richard.Cotton at hsl.gov.uk Richard.Cotton at hsl.gov.uk
Thu Jan 17 17:52:08 CET 2008


> d <- read.table("C:\\rep.csv", head=TRUE, sep=",")
> > pie(d$Votes,
> + labels=d$Name,
> + main="Class Rep Results\n(Final Results)")
> 
> Error:
> Error in pie(d$votes, labels = d$name, main = "Class Rep Results\n(Final
> Results)") : 
>   'x' values must be positive.

The first input to the pie function represents the size of the pie slice, 
so it's values must be non-negative.

Take a look at what you have stored in the data frame d; it is possible 
that the data has been read into R incorrectly.
Type d and str(d) at the command line to see this.

Also, you might want to use read.csv to read in your data if it is comma 
separated value format.


Regards,
Richie.

Mathematical Sciences Unit
HSL


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