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format of 2x2 table

3 messages · array chip, Marc Schwartz (via MN), Chuck Cleland

#
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
#
On Wed, 2006-02-01 at 12:16 -0800, array chip wrote:
See the CrossTable() function in the 'gmodels' package on CRAN.


HTH,

Marc Schwartz
#
library(gmodels)
?CrossTable
array chip wrote: