[R] help with the "pch" option in plot.locfit
ssong at nicco.sscnet.ucla.edu
Mon Apr 8 00:48:43 CEST 2002
I am trying to plot a smoothed hazard funciton using the LOCFIT library.
Suppose my locfit model is "loc.fit", my plot command looks like this:
plot(loc.rw, lty="solid", pch=1, xlab="Age at Risk",
ylab="Hazard Rate", ylim=c(0, .5), lwd=2)
What's interesting is that whichever number I used in the "pch=" option,
I still get a line without any symbles. Is this something about the LOCFIT
library or I did something wrong?
I have four lines in my graph, without differetn symbles on different
lines, it can be difficult to read.
Any help will be greatly appreciated.
Department of Sociology, UCLA
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