plot Complementary Cumulative DIstribution

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kirtesh
kirtesh 2011-5-28
评论： abdullah qasim 2019-10-10
> I want to plot Complementary Cumulative DIstribution > Function(CCDF) of a random variable. There is a > command to plot only Cumulative Distributive > Function(CDF)-"cdfplot". How to get the CCDF plot? > I thought of one way. First get the points from the > CDF plot. then subtract them from 1(because CCDF = 1 > - CDF). But I dont know how to get the points from a > plot. Can somebody help me?

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回答（1 个）

Teja Muppirala
Teja Muppirala 2011-5-28
cdfplot calls cdfcalc. You can use this to get the actual values.
X = randn(10000,1);
[ycdf,xcdf] = cdfcalc(X);
xccdf = xcdf;
yccdf = 1-ycdf(1:end-1);
plot(xcdf,yccdf);

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