[R] format of 2x2 table

[Marc Schwartz (via MN)]

On Wed, 2006-02-01 at 12:16 -0800, array chip wrote:
> Does anyone know how I can generate a 2x2 table in a
> format where in each cell of the table, it contains a)
> count (frequency) b) total percentage c) row
> percentage d) column percentage. SAS can generate this
> format easily, is there a R package that can do this?
> 
> Frequency |
> Percent   |
> Row Pct   |
> Col Pct   | positive  negative  |  Total
> --------------------------------|-------
> disease   |        6        22  |     28
>           |    20.69     75.86  |  96.55
>           |    21.43     78.57  |
>           |   100.00     95.65  |
> ----------|---------------------|-------
> normal    |        0         1  |      1
>           |     0.00      3.45  |   3.45
>           |     0.00    100.00  |
>           |     0.00      4.35  |
> ----------|---------------------|-------
> Total     |        6        23  |     29
>           |    20.69     79.31  | 100.00
> 
> Thanks



See the CrossTable() function in the 'gmodels' package on CRAN.


HTH,

Marc Schwartz