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Just another update

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Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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Task/Multiple-regression/J/multiple-regression-3.j
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@ -3,4 +3,7 @@
NB. |:X is transpose of X
(%.(|:X) mp X) mp (|:X) mp y
128.814 _143.163 61.9606
xpy=: mp~ |: NB. Or factoring out "X prime y" (monadically "X prime X")
X (%.@:xpy@[ mp xpy) y
128.814 _143.163 61.9606