On May 30, 2012, at 4:51 PM, R. Michael Weylandt wrote:
I think you're looking for xtabs [see the examples; they're quite
good] but I can't be sure: your printed object can't really exist in R
so I'm not sure what you have currently.
Michael
On Wed, May 30, 2012 at 3:25 PM, cassiorx
wrote:
I think you're looking for xtabs [see the examples; they're quite
good] but I can't be sure: your printed object can't really exist in R
so I'm not sure what you have currently.
Michael
On Wed, May 30, 2012 at 3:25 PM, cassiorx wrote:
> I have a data frame that has columns Semester, Student ID (
I have a data frame that has columns Semester, Student ID (SID), Subject,
Grade, Devel (Tor F). Students can have multiple records within a semester.
Right now, the columns are not considered factors.
I want to do an analysis that would show the number of students who received
particular combinat
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