Hello R experts,
I have a data.frame which has a series of 30 variables that are each coded
1,0--1
if a behavior is engaged in, 0 otherwise.
The data.frame looks like this:
var1 var2 ...var30
Respondent 1
Respondent 2
etc
I would like to create a matrix (or at least a half-matrix) as follows:
var1 var2 ...var30
var1
var 2
.
.
var 30
where the number at each intersection is the number of people who engaged in
both behaviors. I could run a whole bunch of tables and input the data by
hand into a new matrix, but I was wondering if there is a way to do this via
a program/function (I looked at "daisy," but concluded this function would
not handle this).
Any help would be appreciated!
Greg Blevins
The Market Solutions Group
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