On Nov 10, 2009, at 3:07 PM, soeren.vo...@eawag.ch wrote:
Quite often, I need those tables:
x <- sample(c("a", "b", "c"), 40, rep=T)
y <- sample(c("X", "Y"), 40, rep=T)
(tbl <- table(x, y))
(z <- as.factor(paste(as.vector(tbl), " (",
round(prop.table(as.vector(tbl)) * 100, 1), "%)", sep="")))
matrix(as.factor(z), nrow=3, dimnames=dimnames(tbl))
But the result looks ugly and is not copy&paste-able for LaTeX
verbatim or table environment, moreover, the "\"" is not what I want
in the printout. How to achieve:
y
x X Y
a 3 (7.5%) 7 (17.5%)
b 9 (22.5%) 5 (12.5%)
c 6 (15.0%) 10 (25.0%)
Thank you for help or hints.
> library(gmodels)
>> CrossTable(tbl, prop.c=F, prop.r=F, prop.chisq=F) # author, Marc
Schwartz
Cell Contents
|-------------------------|
| N |
| N / Table Total |
|-------------------------|
Total Observations in Table: 40
| y
x | X | Y | Row Total |
-------------|-----------|-----------|-----------|
a | 6 | 10 | 16 |
| 0.150 | 0.250 | |
-------------|-----------|-----------|-----------|
b | 12 | 4 | 16 |
| 0.300 | 0.100 | |
-------------|-----------|-----------|-----------|
c | 3 | 5 | 8 |
| 0.075 | 0.125 | |
-------------|-----------|-----------|-----------|
Column Total | 21 | 19 | 40 |
-------------|-----------|-----------|-----------|
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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