Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Meta User
Network Profile
11,623
reputation
2
31
49

jld

Data scientist in the DC area.

184
answers
2
questions
~185k
people reached
  • United States
  • Member for 5 years, 2 months
  • 925 profile views
  • Last seen 2 hours ago

Communities (76)

Top Network Posts

Top Tags (202)

Score 198
Posts 24
Posts % 13
Score 146
Posts 27
Score 138
Posts 34
Score 98
Posts 25
Score 94
Posts 15
Score 79
Posts 13
View all tags →

Top Posts (186) All Questions Answers | Votes Newest

49 When is a biased estimator preferable to unbiased one? Apr 17 '16
33 Why is ridge regression called “ridge”, why is it needed, and what happens when $\lambda$ goes to infinity? May 7 '15
33 Why is the cost function of neural networks non-convex? May 23 '17
30 Is probability theory the study of non-negative functions that integrate/sum to one? Mar 14
27 What did my neural network just learn? What features does it care about and why? Jan 11
27 Optimization and Machine Learning Jun 18 '17
26 Why do we use PCA to speed up learning algorithms when we could just reduce the number of features? Mar 20 '17
26 Does it make sense to use Logistic regression with binary outcome and predictor? Mar 13
26 Understanding t-test for linear regression May 2
21 Why doesn't the exponential family include all distributions? Jul 31 '17
View all questions and answers →

Badges (82)

Gold

2

Rarest

Silver

31

Rarest

Bronze

49

Rarest

View all badges →