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Finding determinants of x-loaded matrix?
Bob Gotwals
·
Mar 20, 2009
·
r-help
R friends, I need to find the determinant of this matrix x 1 0 0 1 x 1 0 0 1 x 1 0 0 1 x det yields x^4-3x^2+1 I can then use polyroot to...
Singularity in a regression?
Bob Gotwals
·
Feb 26, 2009
·
r-help
R friends, In a matrix of 1s and 0s, I'm getting a singularity error. Any helpful ideas? lm(formula = activity ~ metaF + metaCl + metaBr + metaI + metaMe + paraF + paraCl + paraBr + paraI + paraMe) Residuals: Min 1Q Median 3Q Max -4.573e-01...
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