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Jake Westfall's user avatar
Jake Westfall's user avatar
Jake Westfall's user avatar
Jake Westfall
  • Member for 13 years, 4 months
  • Last seen this week
4 votes

$\beta= r* \frac{s_y}{s_x} $ Any more intuition behind this?

4 votes

Why are coefficient in regression model interpreted as change in response with unit increase in that variable with others constant?

4 votes
Accepted

Standard deviation of the **difference scores** is √2 times as large as standard deviation of each group

4 votes
Accepted

Computing Paired Samples (pre/post) Effect Size with Limited Information

4 votes

testing logistic regression coefficients using $t$ and residual deviance degrees of freedom

4 votes
Accepted

Correct specification of HLM in lmer

4 votes
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What method is simulating pvalues from re sampling from the data

4 votes
Accepted

Pearson correlation is not significant although effect is .30 What could be the reason?

4 votes

Contrasts in mixed model

4 votes
Accepted

Sample size and power calculation for randomized cluster study

4 votes

Refugee from SPSS having issues with fit.contrast in R

4 votes

Contrasts in repeated mesures ANOVA in R

4 votes
Accepted

Non-orthogonal planned comparisons: How to correct alpha?

4 votes
Accepted

How to include level-2 variables in a random intercept model when fitting HLM with lme4?

4 votes

GLMM model specification help gender effects + an effect that is nested only within female

3 votes
Accepted

Relative variances of higher-order vs. lower-order random terms in mixed models

3 votes

How to deal with collinearity in lme with categorical IV with > 2 levels

3 votes

Explain Statistics: Matching formulas for linear regression

3 votes
Accepted

Calculating level 2 variable based on mean of level 1 variable with multilevel model in R

3 votes

Mixed-effects model for MZ twin data: avoiding overparametrization

3 votes

R's stats::aov and nlme::lme produce conflicting results

3 votes
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Mixed-model or not? Case-study in R

3 votes
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Calculating effect size (partial eta squared) for a planned comparison effect

3 votes

ANCOVA intercepts - does R center data?

3 votes

Cohen's d for 2x2 anova interaction

3 votes
Accepted

given a large population, how many samples of half the population will I need to make sure X percnet of the population has been measured?

3 votes

Lmer() R function does not return random but fixed intercepts

3 votes
Accepted

Linear mixed model with partially crossed effects

3 votes

What is the name of this statistical paradox/phenomenon: statistical significance depends on what would have happened but did not

3 votes
Accepted

Calculating Bayes Factor from a correlation coefficient