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Makes a vector of character strings from a list of valid names. Taken from Hmisc.
Cs(...)
any number of names separated by commas
character string vector
# NOT RUN { Cs(a, cat, dog) Cs(age, sex, race, bloodpressure, height) Cs(you, must, quote, "things with spaces", 'or invalid ! @#$ characters') # }
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