Mercurial > hg > machine-learning-hw2
changeset 5:a4c4da8f4ac0
Style fixes
| author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
|---|---|
| date | Tue, 08 Nov 2011 00:56:18 -0500 |
| parents | 4fb05328d3cf |
| children | 141d81a2acf5 |
| files | costFunction.m plotData.m predict.m sigmoid.m |
| diffstat | 4 files changed, 17 insertions(+), 17 deletions(-) [+] |
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--- a/costFunction.m +++ b/costFunction.m @@ -12,4 +12,4 @@ J = -sum (y.*log (ht) + (1 - y).*log (1 - ht))/m grad = X'*(ht - y)/m; -end +endfunction
--- a/plotData.m +++ b/plotData.m @@ -1,19 +1,19 @@ function plotData(X, y) -##PLOTDATA Plots the data points X and y into a new figure -## PLOTDATA(x,y) plots the data points with + for the positive examples -## and o for the negative examples. X is assumed to be a Mx2 matrix. + ##PLOTDATA Plots the data points X and y into a new figure + ## PLOTDATA(x,y) plots the data points with + for the positive examples + ## and o for the negative examples. X is assumed to be a Mx2 matrix. -## Create New Figure -figure; hold on; + ## Create New Figure + figure; hold on; -## Find Indices of Positive and Negative Examples -pos = find(y==1); neg = find(y == 0); -## Plot Examples -plot (X(pos, 1), X(pos, 2), "k+","LineWidth", 2, - "MarkerSize", 7); -plot (X(neg, 1), X(neg, 2), "ko", "MarkerFaceColor", - "y", "MarkerSize", 7); + ## Find Indices of Positive and Negative Examples + pos = find(y==1); neg = find(y == 0); + ## Plot Examples + plot (X(pos, 1), X(pos, 2), "k+","LineWidth", 2, + "MarkerSize", 7); + plot (X(neg, 1), X(neg, 2), "ko", "MarkerFaceColor", + "y", "MarkerSize", 7); -hold off; + hold off; -end +endfunction