Hi:
The example below uses both the plyr and reshape packages. I'm
presuming that you expect the table proportions to comprise columns of
the output data frame - to do that, we'll use the cast() function from
reshape.
Writing functions to pass into a plyr function needs to be done with a
bit of c
Hello, This is my first time trying to use plyr, and I'm getting
nowhere. I have teacher ratings data (1:4), on 10 components, by
external observers and internal observers, in schools in areas. I want
to calculate the percentage of each rating given on each component, by
each type of observer, with
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