On Jun 22, 2009, at 7:56 PM, Jeffrey Edgington wrote:
Greetings,
I have two files which contain responses to a series of multiple
choice questions. One
file contains responses before an "intervention" and the other
contains the responses afterward.
There were three possible responses to
Try this:
table(factor(pre, levels = c("D", "F", "T")),
factor(post, levels = c("D", "F", "T")))
On Mon, Jun 22, 2009 at 8:56 PM, Jeffrey Edgington wrote:
> Greetings,
>
> I have two files which contain responses to a series of multiple choice
> questions. One
> file contains responses
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