
122 Statistical Programming in SAS
4.1 Introducing PROC TABULATE
More powerful than PROC FREQ for summaries…incredibly more convoluted than
PROC MEANS…able to present the most complicated table structures…it’s PROC
TABULATE. Tables specified with PROC TABULATE have dimensions corresponding
to pages, rows, and columns. In a page, row, or column, classification variables can be
crossed or nested. And, numeric analysis variables can be summarized with a variety of
descriptive statistics. Remember the nitrofen data from the previous chapter? (Nitrofen, a
rice herbicide, exhibited reproductive toxicity in an experiment where Ceriodaphnia
dubia ...