Mercurial > hg > tvii
changeset 24:89f46435a9e2
[logistic regression] call cost function
author | Jeff Hammel <k0scist@gmail.com> |
---|---|
date | Mon, 04 Sep 2017 09:58:01 -0700 |
parents | f34110e28a0a |
children | c52d8173b056 |
files | tvii/logistic_regression.py |
diffstat | 1 files changed, 4 insertions(+), 1 deletions(-) [+] |
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--- a/tvii/logistic_regression.py Mon Sep 04 09:14:25 2017 -0700 +++ b/tvii/logistic_regression.py Mon Sep 04 09:58:01 2017 -0700 @@ -44,7 +44,9 @@ """ m = X.shape[1] - A = sigmoid(w.T*X + b)# compute activation + A = sigmoid(w.T*X + b) # compute activation + cost = cost_function(w, b, X, Y) + raise NotImplementedError('TODO') def cost_function(w, b, X, Y): @@ -71,6 +73,7 @@ db=0 raise NotImplementedError('TODO') + def logistic_regression(nx): dw = np.zeros(nx) # TODO