c_date | R Documentation |
various comparer functions for date types
c_date(...)
c_overlap(x, glist, w = NULL, ...)
c_dstd(x, glist, ...)
... |
this is to be able to tolerate unnecessary arguments |
x |
vector |
glist |
a grouping list |
w |
weights |
c_overlap()
: proportion of records in the overlapping time period, 2
groups only
c_dstd()
: standardized difference for date variables (same as for
real variables when the dates are interpreted as numericals)
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