On Oct 24, 2008, at 11:22 PM, leo_wa wrote:
if i want to plot the chi-square distribution with a different
degree of
freedom how can i plot it in the graph?Sometimes i plot the
histogram and
cut it in a lot of piece.It's distribution like a chi-square.So i
want to
plot the chi-square with a different degree of freedom to compare it .
layout(matrix(c(1,2,3,4,5,6), 3, 2, byrow = TRUE))
for (i in 1:6) plot(
dchisq(1:20, i*2),
main = paste("chi-square density, df =", i*2))
I do have some reservations about the validity of this approach,
however.
Also your keyboard needs some attention as well. Spacebar and shift
key function seem very erratic.
--
David Winsemius
Heritage Labs
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