While humorous, the term "Mexican Wall" is unlikely to be clear to the OP. This
is a reference to the mailing list anti-virus strategy of cutting out
attachments that don't meet a very restrictive set of requirements outlined in
the Posting Guide that all R-users are supposed to have read and me
Hi Maria,
First, Excel files don't make it through the Mexican Wall. A CSV with
the extension changed to .txt might. You can get all of the years like
this:
aa<-data.frame(var1=runif(180),
SDATE=paste(sample(1998:2012,180,TRUE),
sample(1:12,180,TRUE),sample(1:28,180,TRUE),sep="-"))
aa$sdate<-as.
Dear all,
I have an excel file of 180 observations with dates and one variable, from 1998
to 2012 by random months (there are some years that I might not have all the
months or I might have two observations in one month). I am trying to plot the
dates in x axis and the variable in y axis. I hav
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