>library(R.oo) >ll() member data.class dimension object.size 1 a numeric 1000 4028 2 author character 1 112 3 exp numeric 1 36 4 last.warning list 2 488 5 object function NULL 864 6 row character 1 72 7 USArrests data.frame c(50,4) 4076 8 VADeaths matrix c(5,4) 824 9 value character 1 72
with NA counts: >naCount <- function(x, ...) ifelse(is.vector(x), sum(is.na(x)), NA) >properties <- c("data.class", "dimension", "object.size", "naCount") ll(properties=properties) member data.class dimension object.size 1 a numeric 1000 4028 2 author character 1 112 3 exp numeric 1 36 4 last.warning list 2 488 5 naCount function NULL 864 6 object function NULL 864 7 properties character 4 212 8 row character 1 72 9 USArrests data.frame c(50,4) 4076 10 VADeaths matrix c(5,4) 824 11 value character 1 72 FYI: In next version of R.oo, there will probably be some kind of option to set the default 'properties' argument so that this must not be given explicitly by default. Cheers Henrik On 3/8/06, Robert Lundqvist <[EMAIL PROTECTED]> wrote: > I would like to have some function for getting an overview of the > variables in a worksheet. Class, dimesions, length, number of missing > values,... Guess it wouldn't be that hard to set up such a function, but I > guess there are others who have made it already. Or is it already a > standard feature in the base package? Any suggestions? > > Robert > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > -- Henrik Bengtsson Mobile: +46 708 909208 (+1h UTC) ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html