Cross Validated
jld
Profile Activity
Stats
17,753
reputation
528k
reached
287
answers
3
questions
About

Data scientist in the DC area.

Communities (90)

Top network posts

2
gold badges
49
silver badges
63
bronze badges
View all badges

Top tags (263)

Score 293
Posts 33
Posts % 11
Score 268
Posts 55
Score 203
Posts 45
Score 119
Posts 29
Score 118
Posts 17
Score 116
Posts 23
View all tags →

Top posts (290)

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

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.