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jld

Data scientist in the DC area.

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  • Member for 7 years, 7 months
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57 When is a biased estimator preferable to unbiased one? Apr 17 '16
51 Understanding t-test for linear regression May 2 '18
40 Why is the cost function of neural networks non-convex? May 23 '17
38 Why is ridge regression called “ridge”, why is it needed, and what happens when $\lambda$ goes to infinity? May 7 '15
35 Why using Newton's method for logistic regression optimization is called iterative re-weighted least squares? May 5 '18
31 Is probability theory the study of non-negative functions that integrate/sum to one? Mar 14 '18
30 How to interpret root mean squared error (RMSE) vs standard deviation? Oct 27 '16
29 What did my neural network just learn? What features does it care about and why? Jan 11 '18
28 Optimization and Machine Learning Jun 18 '17
27 What is happening here, when I use squared loss in logistic regression setting? Feb 2 '18
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