From c44e670ebbb1e1690398ac2837e5e79e17a19c7b Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Sat, 12 May 2012 15:04:03 +0200 Subject: Use polyval where appropriate ..instead of doing the polynom multiplication by hand. --- regress_pred.m | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'regress_pred.m') diff --git a/regress_pred.m b/regress_pred.m index 0c66b1e..2992471 100644 --- a/regress_pred.m +++ b/regress_pred.m @@ -8,8 +8,8 @@ function pred = regress_pred(price, quantity) pred = zeros(days, product_count); for i = 1:product_count - [m,n] = regress(price(test_set, i), quantity(test_set, i)); - pred(:, i) = m .* price(pred_set, i) + n; + mn = regress(price(test_set, i), quantity(test_set, i)); + pred(:, i) = polyval(mn, price(pred_set, i)); end endfunction -- cgit