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martinthenext/gist:1300113

Created October 20, 2011 00:40
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feature.m
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gistfile1.matlab
X_norm = X;
mu = zeros(1, size(X, 2));
sigma = zeros(1, size(X, 2));
for featureIndex = 1:size(X, 2)
mu(1, featureIndex) = mean(X(:, featureIndex));
sigma(1, featureIndex) = std(X(:, featureIndex));
X_norm(:, featureIndex) = (X(:, featureIndex) .- mu(1, featureIndex)) ./ sigma(1, featureIndex)
end
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