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Tom Gerard


自 2016 起处于活动状态

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统计学

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Parameter ranges for sigmoid and polynomial kernel
Hello I would like to use a SVM classifier with a sigmoid and polynomial kernel. The sigmoid kernel has the following form...

8 years 前 | 0 个回答 | 0

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How to calculate weighted negative log-likelihood?
Hello I'm calculating the negative log-likelihood for a bunch of tasks: NLL = p1∗p2∗...∗pn = −(log(p1)+...+log(pn)) p i...

8 years 前 | 0 个回答 | 0

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How to let fminsearch only search over integers?
I'm using the <http://ch.mathworks.com/help/matlab/ref/fminsearch.html fminsearch> Method of Matlab to minimize a function: ...

8 years 前 | 1 个回答 | 0

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Normalizing data to [-1, 1] range
Hello I have a training dataset which is of size NxD and a test dataset which is of size AxD. The rows are the data points an...

8 years 前 | 2 个回答 | 1

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How do I do weighted classification?
Hello I'm using classifiers in Matlab (e.g. [fitcsvm](http://ch.mathworks.com/help/stats/fitcsvm.html) or [fitcknn](http://ch...

8 years 前 | 2 个回答 | 0

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Tuning Parameters for Boosting/Bagging/Random Forest
Hello I want to use tree-based classifiers for my classifiaction problem. I'm thinking about bagging, boosting (AdaBoost, Log...

8 years 前 | 0 个回答 | 0

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Mex compilation error (-o unkown)
Hello I’m using the Random Forest library for Matlab ( <https://code.google.com/archive/p/randomforest-matlab/downloads link>...

8 years 前 | 1 个回答 | 0

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How to set weights in fitcsvm?
Hello I'm using the fitcsvm method from Matlab to train a SVM. The BoxConstraint parameter is the C (cost). Because I have hi...

8 years 前 | 0 个回答 | 0

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