Softmax Regression
From Ufldl
(→Relationship to Logistic Regression) |
(→Softmax Regression vs. k Binary Classifiers) |
||
Line 380: | Line 380: | ||
or three logistic regression classifiers? (ii) Now suppose your classes are | or three logistic regression classifiers? (ii) Now suppose your classes are | ||
indoor_scene, black_and_white_image, and image_has_people. Would you use softmax | indoor_scene, black_and_white_image, and image_has_people. Would you use softmax | ||
- | regression | + | regression or multiple logistic regression classifiers? |
In the first case, the classes are mutually exclusive, so a softmax regression | In the first case, the classes are mutually exclusive, so a softmax regression | ||
classifier would be appropriate. In the second case, it would be more appropriate to build | classifier would be appropriate. In the second case, it would be more appropriate to build | ||
three separate logistic regression classifiers. | three separate logistic regression classifiers. |