Scriddie · July 24, 2019 11:34
diff --git a/lin_reg_result.sql b/lin_reg_result.sql
 # Find coefficients as XtX_inverse * XtY

 select round(sum(XtX_inverse.value * XtY.value), 4) coefficients
 from XtX_inverse
 join XtY
 on XtX_inverse.row_num = XtY.row_num
 group by XtX_inverse.col_num, XtY.col_num;
	# Find coefficients as XtX_inverse * XtY

	select round(sum(XtX_inverse.value * XtY.value), 4) coefficients
	from XtX_inverse
	join XtY
	on XtX_inverse.row_num = XtY.row_num
	group by XtX_inverse.col_num, XtY.col_num;