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testdatetime
2003 Nov 11
4
HMisc describe -- error with dates
Hello,
I am trying to use HMisc describe on a data frame. I have specified certain
variables as dates using, for example:
df1$aidsdate <- dates(aidsdate,format="day.mon.year", origin=c(month = 1,
day = 1, year = 1960))
When I use describe on the dataframe I get this error:
Error in Ops.dates(weights, x) : * not defined for chron objects
Has anyone had this problem? I had