aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

A-M baby

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Task/Multiple-regression/J/multiple-regression-2.j Normal file
View file

@ -0,0 +1,12 @@
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