[R] format of 2x2 table

[Gregory Snow]

Look at the CrossTable function in the gmodels package.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at intermountainmail.org
(801) 408-8111
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of array chip
> Sent: Wednesday, February 01, 2006 1:16 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] format of 2x2 table
> 
> 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
> 
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