[R] Newbie Question About Histograms

[Peter Alspach]

Kia ora Ivan

I think you might want a barplot.

?hist

under 'See Also:' states:

     Typical plots with vertical bars are _not_ histograms.  Consider
     'barplot' or 'plot(*, type = "h")' for such bar plots.
 
[The online help in R is good.]

HTH ....

Peter Alspach

> -----Original Message-----
> From: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] On Behalf Of pfc_ivan
> Sent: Thursday, 29 January 2009 9:04 a.m.
> To: r-help at r-project.org
> Subject: [R] Newbie Question About Histograms
> 
> 
> Hello everyone. Just have a question , cant figure out how to 
> make this histogram. 
> 
> I have this table, that i stored in a variable name 
> new.data2. Table looks like this
> 
> Year GeoArea SmpNo Month Gear Maturity Length Age YearC
> 1989       1   362    10   22        1    225   1  1988
> 1991       1   267    10   10        1    191   1  1990
> 1991       1   267    10   10        1    202   1  1990
> 1992       1   305    10    8        1    162   1  1991
> 1992       1   305    10    8        1    165   1  1991
> 1992       1   305    10    8        1    166   1  1991
> 1992       1   305    10    8        1    167   1  1991
> 1992       1   305    10    8        1    167   1  1991
> 1992       1   305    10    8        1    169   1  1991
> 1992       1   305    10    8        1    170   1  1991
> 
> Now I need to make a histogram of Length vs YearC. I would 
> guess that Length would be on the Y-axis and YearC variable 
> would be on X-axis. I have tried many different combinations 
> with command 'hist' but im always getting error " 'x' must be 
> numeric " ... I think im getting that error because of the 
> header which is not numeric. Any help would be appreciated. 
> Thanks guys. 
> 
> Ivan.
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