Timeline for How to draw a scree plot in python? [closed]
Current License: CC BY-SA 3.0
9 events
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Jan 28, 2019 at 12:07 | history | closed |
amoeba Peter Flom |
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Jan 28, 2019 at 10:35 | review | Close votes | |||
Jan 28, 2019 at 12:07 | |||||
Oct 18, 2011 at 19:07 | vote | accept | Legend | ||
Oct 18, 2011 at 17:52 | history | edited | user88 | CC BY-SA 3.0 |
edited tags; edited title
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Oct 18, 2011 at 16:31 | answer | added | Josh Hemann | timeline score: 15 | |
Jul 10, 2011 at 2:35 | comment | added | shabbychef |
yes. In matlab, it would be [U,S,V] = svd(X);S = cumsum(sort(diag(S).^2,1,'descend'));S = S ./ S(end);plot(S);
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Jul 10, 2011 at 1:24 | comment | added | Legend | @shabbychef: You mean, take the cumulative sum and divide by the sum of all the values right? | |
Jul 9, 2011 at 4:39 | comment | added | shabbychef |
take the diagonal of S , if it is not already a diagonal, square it, sort it in decreasing order, take the cumulative sum, divide by the last value, then plot it.
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Jul 8, 2011 at 19:19 | history | asked | Legend | CC BY-SA 3.0 |