User Nan

331

votes

9

answers

623k

views

What is the difference between fixed effect, random effect and mixed effect models?

Apr 3 '18 at 12:30 Community♦ 1

266

votes

2

answers

193k

views

Interpretation of R's lm() output

r regression interpretation

Apr 3 '19 at 15:11 Zhubarb 7,496

180

votes

3

answers

107k

views

R's lmer cheat sheet

r mixed-model random-effects-model fixed-effects-model lme4-nlme

Dec 20 '19 at 15:03 Александр Ласкорунский 1

87

votes

5

answers

207k

views

Relationship between poisson and exponential distribution

distributions poisson-distribution exponential-distribution

May 27 at 2:16 Ben 66.1k

84

votes

2

answers

44k

views

Resampling / simulation methods: monte carlo, bootstrapping, jackknifing, cross-validation, randomization tests, and permutation tests

r bootstrap resampling jackknife permutation-test

Feb 9 at 2:30 zeawoas 85

67

votes

2

answers

71k

views

Basic question about Fisher Information matrix and relationship to Hessian and standard errors

maximum-likelihood fisher-information

Sep 29 at 14:10 COOLSerdash 22.2k

48

votes

1

answer

79k

views

Why would R return NA as a lm() coefficient?

r regression

Jul 8 at 0:41 user290702 1

39

votes

5

answers

195k

views

AIC guidelines in model selection

r model-selection references aic bic

May 23 '19 at 2:20 Hibernating 3,673

37

votes

2

answers

2k

views

Probability inequalities

probability mathematical-statistics probability-inequalities moment-generating-function

Oct 6 '19 at 16:06 jlewk 366

37

votes

1

answer

9k

views

Intuition behind tensor product interactions in GAMs (MGCV package in R)

r nonparametric interaction splines intuition

Mar 1 at 15:56 generic_user 11.1k

34

votes

5

answers

104k

views

How to translate the results from lm() to an equation?

r regression lm

Feb 25 at 21:01 Matt Dancho 169

32

votes

1

answer

41k

views

How to interpret variance and correlation of random effects in a mixed-effects model?

r mixed-model interpretation panel-data

Oct 5 '17 at 15:41 Stefan Avey 135

26

votes

2

answers

23k

views

Why do I get zero variance of a random effect in my mixed model, despite some variation in the data?

r mixed-model stata glmm lme4-nlme

Jun 21 '17 at 8:18 kjetil b halvorsen♦ 53.4k

26

votes

3

answers

27k

views

Sample size calculation for mixed models

r mixed-model lme4-nlme random-effects-model statistical-power

Jul 20 at 23:25 Thomas Lumley 12.7k

25

votes

1

answer

8k

views

Intraclass correlation (ICC) for an interaction?

r lme4-nlme intraclass-correlation

Oct 19 '15 at 20:36 Shawn Mehan 113

23

votes

4

answers

177k

views

How to calculate cumulative distribution in R?

r distributions cumulative-distribution-function

May 19 '17 at 11:14 Rudy Yuan 3

19

votes

4

answers

6k

views

In practice how is the random effects covariance matrix calculated in a mixed effects model?

mixed-model random-effects-model covariance covariance-matrix

Mar 22 '16 at 14:49 ashokragavendran 359

19

votes

2

answers

10k

views

Random effect equal to 0 in generalized linear mixed model [duplicate]

r mixed-model glmm lme4-nlme

Jun 21 '17 at 7:56 amoeba 86.3k

16

votes

2

answers

1k

views

Intuition about parameter estimation in mixed models (variance parameters vs. conditional modes)

mixed-model intuition blup

Feb 23 '18 at 22:37 amoeba 86.3k

14

votes

1

answer

40k

views

Extracting slopes for cases from a mixed effects model (lme4)

r mixed-model

Oct 30 '14 at 22:17 Community♦ 1

13

votes

3

answers

8k

views

What to do with random effects correlation that equals 1 or -1?

r correlation mixed-model lme4-nlme covariance-matrix

Jan 20 '18 at 13:06 User33268 1,158

13

votes

5

answers

16k

views

When to use mixed effect model?

regression mixed-model random-effects-model linear

Jun 17 '18 at 17:14 user211885 1

12

votes

2

answers

36k

views

Relation and difference between time series and regression?

regression time-series box-jenkins

May 24 '16 at 9:46 Stephan Kolassa 79k

12

votes

2

answers

72k

views

Drawing multiple barplots on a graph in R [closed]

r data-visualization barplot

Aug 11 '11 at 14:35 samarasa 1,287

8

votes

1

answer

3k

views

Why is the Fisher information the inverse of the (asymptotic) covariance, and vice versa?

self-study mathematical-statistics maximum-likelihood chi-squared-distribution fisher-information

Feb 8 at 0:20 kjetil b halvorsen♦ 53.4k

6

votes

1

answer

936

views

When is the inverse of the Fisher Information exact? (MLE)

self-study mathematical-statistics maximum-likelihood

Feb 25 '14 at 9:36 Pat 2,469

6

votes

1

answer

3k

views

ICC in a multi level model with two random effects

mixed-model multilevel-analysis lme4-nlme intraclass-correlation

Jan 10 '17 at 17:57 Community♦ 1

5

votes

1

answer

63k

views

Doing multiple regression without intercept in R (without changing data dimensions)

r regression multiple-regression intercept

Feb 3 '19 at 11:56 kjetil b halvorsen♦ 53.4k

5

votes

1

answer

21k

views

lme4_fixed-effect model matrix is rank deficient so dropping 1 column / coefficient

r logistic lme4-nlme

Dec 15 at 18:18 ccw 1

4

votes

0

answers

440

views

Estimating Fisher Information Matrix by Covariances

estimation fisher-information

Nov 14 '15 at 16:00 bcf 527

Stack Exchange Network

current community

your communities

more stack exchange communities

Next privilege

Next badge

34 Bookmarks

What is the difference between fixed effect, random effect and mixed effect models?

Interpretation of R's lm() output

R's lmer cheat sheet

Relationship between poisson and exponential distribution

Resampling / simulation methods: monte carlo, bootstrapping, jackknifing, cross-validation, randomization tests, and permutation tests

Basic question about Fisher Information matrix and relationship to Hessian and standard errors

Why would R return NA as a lm() coefficient?

AIC guidelines in model selection

Probability inequalities

Intuition behind tensor product interactions in GAMs (MGCV package in R)

How to translate the results from lm() to an equation?

How to interpret variance and correlation of random effects in a mixed-effects model?

Why do I get zero variance of a random effect in my mixed model, despite some variation in the data?

Sample size calculation for mixed models

Intraclass correlation (ICC) for an interaction?

How to calculate cumulative distribution in R?

In practice how is the random effects covariance matrix calculated in a mixed effects model?

Random effect equal to 0 in generalized linear mixed model [duplicate]

Intuition about parameter estimation in mixed models (variance parameters vs. conditional modes)

Extracting slopes for cases from a mixed effects model (lme4)

What to do with random effects correlation that equals 1 or -1?

When to use mixed effect model?

Relation and difference between time series and regression?

Drawing multiple barplots on a graph in R [closed]

Why is the Fisher information the inverse of the (asymptotic) covariance, and vice versa?

When is the inverse of the Fisher Information exact? (MLE)

ICC in a multi level model with two random effects

Doing multiple regression without intercept in R (without changing data dimensions)

lme4_fixed-effect model matrix is rank deficient so dropping 1 column / coefficient

Estimating Fisher Information Matrix by Covariances