Created
November 29, 2011 15:38
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error in Octave using mean on binary vector
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| octave-3.4.0:1> a = [ 1 2 3 4] | |
| a = | |
| 1 2 3 4 | |
| octave-3.4.0:2> mean(a) | |
| ans = 2.5000 | |
| octave-3.4.0:3> b = (a == 2) | |
| b = | |
| 0 1 0 0 | |
| octave-3.4.0:4> mean(b) | |
| error: mean: X must be a numeric vector or matrix | |
| error: called from: | |
| error: /Applications/Octave.app/Contents/Resources/share/octave/3.4.0/m/statistics/base/mean.m at line 69, column 5 |
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