Placidia's user avatar
Placidia's user avatar
Placidia's user avatar
Placidia
  • Member for 10 years
  • Last seen more than a month ago
115 votes
Accepted

How scared should we be about convergence warnings in lme4

44 votes

What does the anova() command do with a lmer model object?

32 votes

Probability of a single real-life future event: What does it mean when they say that "Hillary has a 75% chance of winning"?

19 votes

The difference between varimax and oblimin rotations in factor analysis

18 votes
Accepted

The Differences between Randomized Logistic Regression and Plain-Vanilla Logistic Regression

18 votes

Why squared residuals instead of absolute residuals in OLS estimation?

17 votes
Accepted

In a multi-level model, what are the practical implications of estimating versus not-estimating random effect correlation parameters?

15 votes
Accepted

What is the VC dimension of a decision tree?

15 votes
Accepted

Is ANOVA relying on the method of moments and not on the maximum likelihood?

12 votes

Why does shrinkage work?

12 votes

Functional principal component analysis (FPCA): what is it all about?

12 votes

Which kind of statistical exact test should I use?

11 votes

How does the sampling distribution of sample means approximate the population mean?

11 votes

Calculate coefficients in a logistic regression with R

11 votes
Accepted

what does "hessian is singular mean" in SAS proc nlin

11 votes

Kernel matrix is not positive definite

10 votes

What should an uninformative prior be for the slope when doing linear regression?

10 votes

Poisson regression assumptions and how to test them in R

10 votes

Example where a simple correlation coefficient has a sign opposite to that of the corresponding partial correlation coefficient

9 votes
Accepted

Difference between canonical correpondence analysis and canonical correlation analysis

9 votes
Accepted

Is a post-hoc test supposed to be performed on transformed or original data?

9 votes
Accepted

How to interpret this PCA biplot coming from a survey of what areas people are interested in?

9 votes
Accepted

Basic Gini impurity derivation

9 votes
Accepted

What is the benefit of using Manhattan distance for K-medoid than using Euclidean distance?

9 votes
Accepted

What is Cronbach's Alpha intuitively?

9 votes

Can I trust a significant result of a t-test if the sample size is small?

8 votes
Accepted

What is the point in regression through the origin?

8 votes
Accepted

What can't be expressed as a linear model?

8 votes
Accepted

Can ICC values be negative?

8 votes
Accepted

MANOVA when sample size is smaller than the number of DVs

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