[R] ggplot - unwanted sorted X values

David Winsemius dwinsemius at comcast.net
Wed Oct 27 17:08:59 CEST 2010


On Oct 27, 2010, at 11:02 AM, ashz wrote:

>
> Hi,
>
> You are right the are dates.

They didn't look like proper R Dates. What does class() on the column  
return?

>
> Any link,introduction or solution for this issue (factor levels).

?factor # would be the place to start

There are hundreds of questions and answers on rhelp about factor  
levels.

As always specific examples focus the mind wonderfully. Read the  
Posting Guide about posting reproducible code. It uses the dump  
function but many people find the dput function to be easier.

-- 
David Winsemius, MD
West Hartford, CT



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