User kjetil b halvorsen - Cross Validated

Network profile

54,525

reputation

22

122

393

kjetil b halvorsen♦

Moderator

Mathematical statistician

Below a list of some questions I have responded to, where I consider my response most interesting:

how-does-saddlepoint-approximation-work

what-is-the-intuition-behind-svd

goodness-of-fit-and-which-model-to-choose-linear-regression-or-poisson

Estimating parameters for Binomial with both $n$ and $p$ unknown

what-is-the-difference-between-finite-and-infinite-variance

Generic sum of Gamma random variables

Why should we use t errors instead of normal errors?

Maximum Likelihood Estimation (MLE) in layman terms

Difference of two i.i.d. lognormal random variables

Non-transitivity of correlation: correlations between gender and brain size and between brain size and IQ, but no correlation between gender and IQ

Intuition on the Kullback-Leibler (KL) Divergence

Taleb and the Black Swan

Correlations between continuous and categorical (nominal) variables

Why does logistic regression become unstable when classes are well-separated?

1,968

answers

15

questions

~3.1m

people reached

Norway
Member for 8 years, 10 months
16,735 profile views
Last seen 1 hour ago

Communities (95)

Top Meta Posts

30

21

Top network posts

Top tags (705)

regression

Score 904

Posts 383

Posts % 19

distributions

Score 884

Posts 252

mathematical-statistics

Score 759

Posts 213

probability

Score 467

Posts 160

logistic

Score 310

Posts 171

r

Score 308

Posts 182

View all tags →

Top posts (1,983)

All Questions Answers

Votes Newest

86 What is the intuition behind SVD? Oct 28 '15

75 Intuition on the Kullback-Leibler (KL) Divergence Jan 7 '16

60 How does saddlepoint approximation work? Jan 21 '16

60 What is the difference between finite and infinite variance May 27 '14

48 Why should we use t errors instead of normal errors? Oct 20 '14

36 Goodness of fit and which model to choose linear regression or Poisson Mar 18 '15

36 How does linear regression use the normal distribution? Apr 29 '15

36 Why does logistic regression become unstable when classes are well-separated? Jan 2 '17

35 Why do we only see $L_1$ and $L_2$ regularization but not other norms? Mar 23 '17

32 Correlations between continuous and categorical (nominal) variables Jun 10 '14

View all questions and answers →

Badges (537)

Gold

22

Rarest

Marshal

Jan 11 '18
Copy Editor

Nov 10 '16
Electorate

Apr 20 '15

Silver

122

Rarest

mathematical-statistics

Sep 9 '18
distributions

Jun 29 '18
Research Assistant

Nov 7 '17

Bronze

393

Rarest

experiment-design

Jun 30
definition

Jan 22 '20
categorical-encoding

Sep 26

View all badges →

Cross Validated works best with JavaScript enabled