[R] how do i plot this "hist"?

[jim holtman]

Typing too fast; last line should be:

barplot(t(x.m[, 2:5]), names.arg = x.m[,1], las=2)


On Mon, Nov 8, 2010 at 5:42 PM, casperyc <casperyc at hotmail.co.uk> wrote:
>
> Hi all,
>
> I have the following data in abc.dat
>
> =======================
>  50     0     1     0     0
>  55     1    14     0     1
>  60     7    86     0     3
>  65    22   324     2     3
>  70    58  1035     1     7
>  75    30  2568     0    34
>  80     9  2936    15   162
>  85    27  2169    46   365
>  90    80  1439   212   432
>  95   236  1670   521   281
> 100   332   827   709   172
> 105   156   311   556   103
> 110    69    49   144    44
> 115    26    10    36    17
> 120     2     9     3     3
> 125     1     6     1     1
> 130     0    14     0     0
> 135     0     5     0     0
> 140     0     0     0     0
> 145     0     0     0     0
> 150     0     0     0     0
> 155     0     0     0     0
> 160     0     0     0     0
> 165     0     0     0     0
> 170     0     0     0     0
> 175     0     0     0     0
> 180     0     0     0     0
> 185     0     0     0     0
> 190     0     0     0     1
> 195     0     0     0     0
> 200     0     0     0     0
> 205     0     0     0     0
> 210     0     0     0     0
> =======================
>
> which i have used
>
> abc=read.table("abc.dat")
>
> to read the table into R.
>
> There are two problems:
>
> 1- I want the first column of the data to be
> the 'column names', how should i read the data?
>
> 2- I want to plot the histogram, using the first column as
> 'x' values, and the 2nd,3rd,4th and 5th columns as the frequencies.
>
> How do I plot it?
>
>
> I have tried to add a 'row' of variable names to it,
> and then read with 'header=T', then the first column
> become 'col.names' as I was expecting it to be.
>
> However, when I plot it using 'hist',
> R uses the 2nd column as the 'x value', where it should be used as
> 'frequency'.
> (the 50,55,60,65,70... should be on the x-axis)
>
> Thanks!
>
> Casper
> --
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> Sent from the R help mailing list archive at Nabble.com.
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?