On Thu, Jan 22, 2009 at 9:09 AM, Christopher W. Ryan
cr...@binghamton.edu wrote:
I probably did not explain my data clearly. I am starting with a
dataframe with three columns:
redlognumb radiologistbarrtotal
where the entries in the variable radiologist are either 1 or 2,
indicating
On Tue, Jan 20, 2009 at 11:10 PM, Christopher W. Ryan
cr...@binghamton.edu wrote:
I start with a dataframe called xrays. It contains scores on films from
each of two radiologists. It is in long format. I used the reshape
package to melt a data frame and then cast it into wide format, one
line
I start with a dataframe called xrays. It contains scores on films from
each of two radiologists. It is in long format. I used the reshape
package to melt a data frame and then cast it into wide format, one
line for each patient (identified by redlognumb) with scores from both
radiologists for a
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