[R] Graphical Display of Values' Distribution

[Ben Bolker]

Steve Murray <smurray444 <at> hotmail.com> writes:

> 
> 
> Dear all,
> 
> 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!
> 

  hist, plot(density(x)), rug ...

  are you sure that your column really is numeric and hasn't
gotten turned into a factor because of a glitch?  what do you
get from class(urban.long[3]) ?

  Ben Bolker