On Tue, 12 Sep 2006, Alexander Nervedi wrote:
> Hi
>
> I am having trouble with dotcharts, and I keep getting the error message:
>
> Error in Summary.data.frame(..., na.rm = na.rm) :
> only defined on a data frame with all numeric or complex variables
>
> I am sure there is a really simple fix, but I am missing it and I wondered
> if you may have some advice. Test code from R help works prefectly, but I
> cant seem to recreate it
>
> # example
> >dotchart(VADeaths)
> >VADeaths
> Rural Male Rural Female Urban Male Urban Female
> 50-54 11.7 8.7 15.4 8.4
> 55-59 18.1 11.7 24.3 13.6
> 60-64 26.9 20.3 37.0 19.3
> 65-69 41.0 30.9 54.6 35.1
> 70-74 66.0 54.3 71.1 50.0
>
> # it works with mssing data
>
> >test <-VADeaths
> >test[2,]<- NA
> >test
> Rural Male Rural Female Urban Male Urban Female
> 50-54 11.7 8.7 15.4 8.4
> 55-59 NA NA NA NA
> 60-64 26.9 20.3 37.0 19.3
> 65-69 41.0 30.9 54.6 35.1
> 70-74 66.0 54.3 71.1 50.0
> >dotchart(test)
>
> # So i created my own test data
> test<- expand.grid( Educ = c("B", "I", "A"),
> Prof = c("L", "M","C"),
> Blacks = NA,
> Asian = NA,
> Hispanic = NA,
> Native = NA,
> Female = NA)
> rownames(test) <- with(test, paste(Educ,Prof, sep = "-"))
> test[2:9,3:7] <- 2
> temp <- test[,3:7]
> temp[1, 2:3] <-5
>
> # I want to plot temp which looks like
> >temp
> Blacks Asian Hispanic Native Female
> B-L NA 5 5 NA NA
> I-L 2 2 2 2 2
> A-L 2 2 2 2 2
> B-M 2 2 2 2 2
> I-M 2 2 2 2 2
> A-M 2 2 2 2 2
> B-C 2 2 2 2 2
> I-C 2 2 2 2 2
> A-C 2 2 2 2 2
> >dotchart(temp)
> Error in Summary.data.frame(..., na.rm = na.rm) :
> only defined on a data frame with all numeric or complex variables
>
> Everything in temp is numeric and hence I dont understand the error message.
>From the help page of dotchart:
x: either a vector or matrix of numeric values ('NA's are
allowed). If 'x' is a matrix the overall plot consists of
juxtaposed dotplots for each row.
> class(temp)
[1] "data.frame"
which is neither. Try as.matrix(temp).
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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