[R] pch and curve plotting
mriordan at nmrc.ucc.ie
Wed Aug 9 17:26:30 CEST 2000
I'm having two small problems and was wondering if you could help me
When I use pch to place a symbol onto a plot it seems to place the point
a little off the exact location. I have read the help file for this
which says to use "." as the plotting character, which will then produce
centered points but I am unclear as to how to do this.
Problem 2: How do I get R to draw a curve through a number of data
points rather than a straight line. From the description of the
functions scatter.smooth and loess.smooth, I think they are what I'm
but when I try to run them in R Version 1.1.0, it returns the following
Error in sdgraph() : couldn't find function "scatter.smooth"
Your help as always is greatly appreciated
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