> I have a column within a dataframe of values which range between 1 and
> 2. I want to display graphically the distribution of these values
> (i.e. are they clustered towards either exteme? Or spread evenly?).
> What is a good way of doing this in R?
>
> I've tried a few things, including using the 'hist' command, but
> receive the following error message:
>
> > hist(urban.long[3])
> Error in hist.default(urban.long[3]) : 'x' must be numeric
>
> ...which is strange because all the values *are* numeric!
Your approach is correct with one minor glitch:
urban.long[3] is not a vector but again a data.frame. Try
hist(urban.long[,3])
That should do what you want.
cu
Philipp
--
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
http://mips.gsf.de/staff/pagel
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