Show the relationship between *codedBy using a matrix.

It returns the number of files or cases coded by two code in a matrix form.

nCodedByTwo(FUN, codeList = NULL, print = TRUE, ...)

Arguments

FUN	a function. It is usually a function from filesCodeBy* and casesCodedBy*.
codeList	character vector of code names.
print	logical, print the result automatically when TRUE.
...	not used currently.

Author

Ronggui HUANG