The function numberOfPlays() determines how many different plays are contained in a single QDDrama object.
numberOfPlays()
numberOfPlays(x)
The QDDrama object
An integer. The number of plays contained in the QDDrama object.
# NOT RUN { # returns 1 numberOfPlays(rksp.0) # returns 2 numberOfPlays(combine(rksp.0, rjmw.0)) # }
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