Logistic Regression + Python + Gradient Descent (Prototype Project 01)
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►JAVA version @ • Logistic Regression + Java + Gradient Desc...
00:06 demo a prebuilt version of the application
01:55 code the application
02:07 training data used in this app.
03:03 logistic regression hypothesis
03:16 logistic/sigmoid function
03:25 gradient of the cost function
03:32 update weights with gradient descent
05:38 implement logistic method in LogisticRegression class
06:02 implement gradient_descent method in LogisticRegression class
06:54 implement classify method in LogisticRegression class
07:48 function using matplotlib for plotting candidates scores and decision boundary
08:32 command line entry function
09:00 test run the completed app.
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