Displaying 2 results from an estimated 2 matches for "p4m".
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2003 Jul 23
5
Dismal R performance of Athlon moble CPU?
I have been using a laptop computer of Pentium III 1.13 Ghz. I heard
that AMD's Athlon has excellent floating point capacity. So I bought a
Athlon 2200+ laptop yesterday. I expected that new Athlon 2200+ will be
twice as fast as the P III 1.13 GB. I ran a R simulation program and
the new computer is only 30% faster, in fact slightly slower than a
Celeron 1.50 GB laptop. I am very disappointed
2002 May 19
3
How to shade part of a density plot
I'm trying to shade part of a density plot. The code I'm trying (using
the Old Faithful data as an example) is something like this:
# The Old Faithful geyser data
data(faithful)
d <- density(faithful$eruptions, bw = "sj")
plot(d)
polygon(d[d$x>4], col = "wheat")
I expected that the part of the curve to the right of 4 on the x axis
should be shaded, but nothing