plot(sort(tapply(first.anti.auth.sum,date,mean), partial=1), type="l",
col="yellow",ylim=c(0,2.0))
par(new=TRUE)
\\ par(xaxt='n')
plot(sort(tapply(first.pro.auth.sum,date,mean), partial=1), type="l",
col="red",ylim=c(0,2.0))
check up ?mtext()
but I would like the X axis to be dates, not index numbers. The trick is
that the "date" column across which the means are calculated returns
integers; I'd like to use, effectively:
format.POSIXct(as.POSIXct(date), '%b %d')
...but don't know how to make that happen.
Thanks for any advice.
----------------------------------------------------------------------
Andrew J Perrin - http://www.unc.edu/~aperrin
Assistant Professor of Sociology, U of North Carolina, Chapel Hill
[EMAIL PROTECTED] * andrew_perrin (at) unc.edu
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