[R] error using boxplot.stats (but boxplot works¿?)
murdoch at stats.uwo.ca
Sun May 6 13:27:32 CEST 2007
On 06/05/2007 4:34 AM, Hugo M.Fernandez Bellon wrote:
> The answer to this may be obvious, but it's got me floored.
> I'm unable to get boxplot.stats to work for me!
> My session looks something like this:
> > ia=read.table('/tmp/prueba.csv', header=TRUE, sep=",")
> > attach(ia)
> > boxplot.stats(X8weeks~Orden)
> Error in sort (na.last, decreasing, ...) :
> argument 1 is not a vector
See ?boxplot.stats. It can't handle a formula argument, it wants a
> In addition: Warning messages:
> 1: is.na() applied to non-(list or vector) in: is.na(x)
> 2: is.na() applied to non-(list or vector) in: is.na(x)
> 3: is.na() applied to non-(list or vector) in: FUN(X[], ...)
> [the error message in R 2.3.1 is slightly different: it says it is not
> atomic and shows only the 1st two warning messages]
> However, boxplot(X8weeks~Orden) prints the boxplot properly (no error messages, data accurately represented).
You can use boxplot(X8weeks ~ Orden, plot=FALSE).
> "X8weeks" has no NA's
> So, the question is: how can I access the data used to generate the boxplot (and why does boxplot.stats fail)?
> Hugo Fernández
> > sessionInfo()
> R version 2.4.1 (2006-12-18)
> LC_CTYPE=es_ES.UTF-8 at euro;LC_NUMERIC=C;LC_TIME=es_ES.UTF-8 at euro;
> LC_COLLATE=es_ES.UTF-8 at euro;LC_MONETARY=es_ES.UTF-8 at euro;
> LC_MESSAGES=es_ES.UTF-8 at euro;LC_PAPER=es_ES.UTF-8 at euro;
> LC_MEASUREMENT=es_ES.UTF-8 at euro;LC_IDENTIFICATION=C
> attached base packages:
>  "stats" "graphics" "grDevices" "utils" "datasets" "methods"
>  "base"
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
More information about the R-help