[R] summary and logical

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Thu Oct 3 11:20:21 CEST 2002

Göran Broström <gb at stat.umu.se> writes:

> In R-1.6.0 (Linux) I notice that 'summary' on a data.frame doesn't treat
> logicals nicely. I only get
>     event
>  Length:148939
>  Mode  :logical
> Is this a bug? (I expected frequencies for TRUE and FALSE, of course.)

Not a bug, but a fairly obviously missing feature... Logicals used to
be automatically converted to factors so it wasn't noticed earlier. 

Looks like a one-line change to summary.default, so we might just be
convinced to put it in for 1.6.1, even if it's not strictly a bug.

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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