[R] Hmisc describe error

stephenb Stephen.Bond at cibc.com
Mon Oct 1 18:48:29 CEST 2012

The error is just a misleading error message. loading the data produced
column sdate as 
> str(prostate)
$ sdate :Classes 'labelled', 'dates'  atomic [1:502] 2778 2820 2933 2999
3002 ...
  .. ..- attr(*, "format")= symbol ddmmmyy
  .. ..- attr(*, "label")= chr "Date on study"

prostate$sdate <- as.Date(prostate$sdate,origin="1970-01-01")  # fixes the
problem and 'describe' runs

just as a comment: maybe the R dataset should have sdate as a Date class.

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