Re: [R] Problem with xtabs(), exclude=NULL, and counting NA's

2009-09-24 Thread Webb Sprague
Also see addNA. Works great. Sometimes R drives me crazy, but Hadley, you make it much easier for me That is nice. The addNA function does not exactly jump off the page for the (too) casual reader. In the context of the OP's original problem, these lines of code are illustrative: Here

Re: [R] Problem with xtabs(), exclude=NULL, and counting NA's

2009-09-23 Thread Webb Sprague
Note that the variable below has been generated with cut(), if that matters. On Wed, Sep 23, 2009 at 2:34 PM, ws webb.spra...@gmail.com wrote: Webb Sprague webb.sprague at gmail.com writes: xtabs(~wkhp, x, exclude=NULL, na.action=na.pass) wkhp  20   30   40   45   60 NA   1    1   10

Re: [R] Problem with xtabs(), exclude=NULL, and counting NA's

2009-09-05 Thread Webb Sprague
xtabs(~wkhp, x, exclude=NULL, na.action=na.pass) wkhp  20   30   40   45   60 NA   1    1   10    1    3    4 Thanks! I must say that this is slightly odd behavior to require both na.action= AND exclude=. Does anyone know of a justification? Shouldn't it be changed? vent Ah well, if R were