search for: qcl_1

...e TOTAL mentions of each sympthom by cluster. I've done this exercise in SPSS using the "Multiple Response" instruction first grouping my three variables (i.e. "P2_A", "P2_B" and "P2_C") into a variable called "sick" and cross tabulating it vs. QCL_1 (my cluster variable) and it gave me the table I need in this way (showed at the bottom of this mail): How can I made a table like this in R???. I've tried combining my variables in a matrix and using xtabs, ftable, table, structable and a lot of combination of them but I haven't had succ...