BadrinathS
d1f727191f
Resolving issue #7924
2016-12-31 16:37:51 +05:30
Maksim Shabunin
1307bb1d03
Merge pull request #6314 from mvukad:bugfix_dtreeswrite
2016-04-12 13:26:25 +00:00
mvukad
695e33b25b
Fix missing format when writing Algorithm-based objects
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Added a writeFormat() method to Algorithm which must be called by the
write() method of derived classes.
2016-04-07 13:49:42 -07:00
Eugene Khvedchenya
ee92a36123
Added parallel implementation of compute_gradient method.
2016-03-29 11:09:54 +03:00
Amro
542f2b2e3c
clean up code for train and predict methods of LR
2016-01-13 20:47:07 +02:00
Amro
e67178c696
fix LR predict with raw output in 2-class case
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In case of binary class, pred_m is initialized as zero vector and later
returned when raw outputs are requested, but it is never filled.
2016-01-13 19:48:21 +02:00
Abe Friesen
9c6ff4d955
- LogisticRegressionImpl::predict() was changed to return the predicted value and to only write to the OutputArray results if specified (no longer segfaults).
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- Refactored batch and mini_batch training to use a common gradient computation function (removed duplicate code).
- Altered the cost computation so that NAN is not computed unnecessarily.
- Greatly simplified (and sped up) the code that appends a column of 1s to the data.
- Minor code cleanup.
Removed unused variables.
Added cast to float to remove warning
2015-11-02 17:49:06 -08:00
Vadim Pisarevsky
052593c760
1. Input/OutputArray optimizations;
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2. Algorithm::load/save added (moved from StatModel)
3. copyrights updated; added copyright/licensing info for ffmpeg
4. some warnings from Xcode 6.x are fixed
2015-04-07 16:44:26 +03:00
ippei ito
518fd59a10
fixed whitespace error
2015-03-12 01:09:15 +09:00
ippei ito
49b38fe793
Fixed compile error build with VisualStudio2013 on windows.
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REG_NONE defined in ml.hpp conflicts with defined in Winnt.h
2015-03-12 00:32:17 +09:00
Maksim Shabunin
79e8f0680c
Updated ml module interfaces and documentation
2015-02-17 11:46:14 +03:00
Julien Nabet
2d5e3b57ea
Fix cppcheck reports warnings:
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(performance) Possible inefficient checking for 'lmap' emptiness
(warning) Assignment of function parameter has no effect outside the function. Did you forget dereferencing it?
(style) Array index '<xxx>' is used before limits check
2014-12-27 10:54:34 +01:00
Maksim Shabunin
108caae216
Modified logistic regression module according to comments
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- Reworked documentation to reflect actual code
- Removed some unused variables
- Removed unnecessary 'cv::' modifiers
2014-08-18 19:13:59 +04:00
Maksim Shabunin
4667e18831
Updated logistic regression example
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- Extracted common operations to separate functions.
- Activated first parameters set.
- Some output formatting.
- Fixed loop break condition in mini_batch_gradient function.
2014-08-18 19:06:58 +04:00
Maksim Shabunin
3e26086f82
Reworked ML logistic regression implementation, initial version
2014-08-18 19:06:58 +04:00
Maksim Shabunin
71770eb790
Fixed ML module build after merge
2014-08-18 19:06:58 +04:00
Rahul Kavi
a23836231f
fixed warnings in type conversions
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fixed warnings in type conversions from size_t to int (in getting size of number of unique classes in a training problem).
2014-08-18 19:06:58 +04:00
Rahul Kavi
d20b2a5a97
removed extra comments in train method
2014-08-18 19:06:58 +04:00
Rahul Kavi
ae02ecec60
removed a couple of unnecessary comments in Logistic Regression training method
2014-08-18 19:06:58 +04:00
Rahul Kavi
65eb52a247
removed default value from LogisticRegression constructor function definition
2014-08-18 19:06:57 +04:00
Rahul Kavi
8995921cc5
fixed white space in logistic regression classifier
2014-08-18 19:06:57 +04:00
Rahul Kavi
b3b4e83aed
updated logistic regression definition
2014-08-18 19:06:57 +04:00
Rahul Kavi
5bb43f69ab
removed trailing whitespaces from predict function
2014-08-18 19:06:52 +04:00
Rahul Kavi
0e13f33193
rewrote the code to update API, removed inheritance from CvStatModel.
2014-08-18 19:06:48 +04:00
Rahul Kavi
6c74439d56
fixed trailing white-space in logistic regression class
2014-08-18 19:06:48 +04:00
Rahul Kavi
6ae43a2243
added logistic regression classifier
2014-08-18 19:06:48 +04:00
