The most widely used Procs for simple statistics are Proc Freq and Proc Means. One is for categorical variable while the other for numerical variable.
Although Proc Means can do some part work of Proc Freq, it can not replace Proc Freq completely.
When the 3 options (COMPLETETYPES, PRELOADFMT and MLF) are combined with user-defined format, Procs are SO powerful in tabulate output. Definitely, it will simplify many post-processing.
The three options are only partly specific to Proc Means, Proc Report and Proc Tabulate.
And, they are not available to Proc Freq. That means we have to play a trick when counting frequency of categorical variable by using Proc Freq.
What a pity!
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