Thank you.
I actually ended up using:
> CrossTable(mdt)
Cell Contents
|-------------------------|
| N |
| Chi-square contribution |
| N / Row Total |
| N / Col Total |
| N / Table Total |
|-------------------------|
Total Observations in Table: 8
|
| Blue | Green | Red | Row Total |
-------------|-----------|-----------|-----------|-----------|
A | 1 | 0 | 1 | 2 |
| 0.083 | 0.500 | 0.083 | |
| 0.500 | 0.000 | 0.500 | 0.250 |
| 0.333 | 0.000 | 0.333 | |
| 0.125 | 0.000 | 0.125 | |
-------------|-----------|-----------|-----------|-----------|
G | 1 | 0 | 1 | 2 |
| 0.083 | 0.500 | 0.083 | |
| 0.500 | 0.000 | 0.500 | 0.250 |
| 0.333 | 0.000 | 0.333 | |
| 0.125 | 0.000 | 0.125 | |
-------------|-----------|-----------|-----------|-----------|
H | 1 | 0 | 1 | 2 |
| 0.083 | 0.500 | 0.083 | |
| 0.500 | 0.000 | 0.500 | 0.250 |
| 0.333 | 0.000 | 0.333 | |
| 0.125 | 0.000 | 0.125 | |
-------------|-----------|-----------|-----------|-----------|
W | 0 | 2 | 0 | 2 |
| 0.750 | 4.500 | 0.750 | |
| 0.000 | 1.000 | 0.000 | 0.250 |
| 0.000 | 1.000 | 0.000 | |
| 0.000 | 0.250 | 0.000 | |
-------------|-----------|-----------|-----------|-----------|
Column Total | 3 | 2 | 3 | 8 |
| 0.375 | 0.250 | 0.375 | |
-------------|-----------|-----------|-----------|-----------|
and
> expected.counts <- (apply(mdt,1,sum) %o% apply(mdt,2,sum))/sum(mdt)
> print(expected.counts)
Blue Green Red
A 0.75 0.5 0.75
G 0.75 0.5 0.75
H 0.75 0.5 0.75
W 0.75 0.5 0.75
to get the info I needed.
Regards,
Joanna
On Mon, Mar 4, 2013 at 2:15 PM, Milan Bouchet-Valat <nalimi...@club.fr>wrote:
> Le lundi 04 mars 2013 à 12:37 -0600, Joanna Papakonstantinou a écrit :
> > I am trying to create contingency tables (to evaluate prior to performing
> > Pearson's Chi-Squared test for independence). I would like to see column
> > and row totals as well as expected and observed values and cell counts.
> > I tried to use the package "contingency. tables" but get the following
> > warning:
> > package contingency.tables is not available (for R versions 2.15.2)
> > Is there something comparable or was this replaced with something else
> for
> > later versions of R.
> > Any help would be appreciated so that I may create a contigencey table
> like
> > this.
> I'm not aware of the existence of such a package, but base R provides
> most of what you need, and other packages offer even more. See e.g.
> http://www.statmethods.net/stats/frequencies.html
>
>
> Regards
>
--
******************************************************************
*Joanna Papakonstantinou, Ph.D.*
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