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

[jim holtman]

try this:

> x <- read.table('clipboard')
> x
    V1  V2   V3  V4  V5
1   50   0    1   0   0
2   55   1   14   0   1
3   60   7   86   0   3
4   65  22  324   2   3
5   70  58 1035   1   7
6   75  30 2568   0  34
7   80   9 2936  15 162
8   85  27 2169  46 365
9   90  80 1439 212 432
10  95 236 1670 521 281
11 100 332  827 709 172
12 105 156  311 556 103
13 110  69   49 144  44
14 115  26   10  36  17
15 120   2    9   3   3
16 125   1    6   1   1
17 130   0   14   0   0
18 135   0    5   0   0
19 140   0    0   0   0
20 145   0    0   0   0
21 150   0    0   0   0
22 155   0    0   0   0
23 160   0    0   0   0
24 165   0    0   0   0
25 170   0    0   0   0
26 175   0    0   0   0
27 180   0    0   0   0
28 185   0    0   0   0
29 190   0    0   0   1
30 195   0    0   0   0
31 200   0    0   0   0
32 205   0    0   0   0
33 210   0    0   0   0
> x.m <- as.matrix(x)  # dataframe -> matrix
> barplot(t(x.m), 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
> --
> View this message in context: http://r.789695.n4.nabble.com/how-do-i-plot-this-hist-tp3032796p3032796.html
> Sent from the R help mailing list archive at Nabble.com.
>
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>



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

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