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timleathart

I'm a data scientist at Xero.

I'm also finishing up my PhD in machine learning from University of Waikato.

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Top posts (75) All Questions Answers | Votes Newest

16 How is a splitting point chosen for continuous variables in decision trees? Nov 3 '17
14 What is/are the default filters used by Keras Convolution2d()? Jan 23 '17
12 How to handle a zero factor in Naive Bayes Classifier calculation? Dec 5 '16
9 Efficient dimensionality reduction for large dataset Aug 29 '18
7 feature extraction for a pretrained model in keras Jan 22 '17
6 Why will the accuracy of a highly unbalanced dataset reduce after oversampling? Feb 23 '18
6 Can PCA be applied to reduce dimensionality of only a subset of features? Feb 7 '18
6 Should the bias value be added after convolution operation in CNNs? Nov 8 '17
5 Does feature selections matter to Decision Tree algorithms? May 9
5 What is the top-5 error rate in ILSVRC challenge? Apr 28 '18
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