[R] Hmisc describe error

[David Winsemius]

On Oct 1, 2012, at 9:48 AM, stephenb wrote:

> 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.
> 

What "R dataset"? From what package?

And it's already a "dates"-classed variable. 

-- 
David Winsemius, MD
Alameda, CA, USA