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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Multiple-regression/J/multiple-regression-2.j Normal file
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X=: x ^/ i.3 NB. form Design matrix
X=: (x^0) ,. (x^1) ,. (x^2) NB. equivalent of previous line
4{.X NB. show first 4 rows of X
1 1.47 2.1609
1 1.5 2.25
1 1.52 2.3104
1 1.55 2.4025
NB. Where y is a set of observations and X is the design matrix
NB. y %. X does matrix division and gives the regression coefficients
y %. X
128.813 _143.162 61.9603