[R] Reshape function

[DAVID JENSEN]

Can someone help me with the proper usage of the
reshape function?

Let's say I have a dataset with columns like this
(wide format):

Id  Sex  Group   Test   Day1   Day 2  Day 3...
     
And I want to transpose this into something like this
(thin):

Id    Sex   Group    Test   Time

Where the new column labeled time contains all the
time variables (Day 1, Day 2, Day 3...) that were in
the wide format.  I just cannot get it to work right
using the reshape function.  I'm sure there is
something that I'm missing.  I just can't get a handle
on how to use this reshape function.

Thanks so much in advance for any help.

Dave
                             

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