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Nate's user avatar
Nate's user avatar
Nate
  • Member for 2 years, 6 months
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19 votes
3 answers
5k views

Why are parametric tests more powerful than non-parametric tests?

14 votes
3 answers
3k views

What does it mean for a statistical test to be "robust"?

8 votes
3 answers
2k views

Statistics question: Why is the standard error, which is calculated from 1 sample, a good approximation for the spread of many hypothetical means?

7 votes
1 answer
503 views

Why do random effects require a minimum # of levels?

6 votes
2 answers
996 views

Can dropping an insignificant factor from a model make the model worse?

5 votes
1 answer
179 views

Can power decrease despite an increase in sample size?

4 votes
1 answer
175 views

Random effects without repeated measures?

4 votes
2 answers
169 views

Generalized additive model: Variable & model selection

4 votes
1 answer
111 views

Conceptual interpretation of 'bs=fs' and 'by=' term in GAM

4 votes
2 answers
658 views

Understanding the assumptions of linear regression: residuals or data must come from a normal distribution? [duplicate]

4 votes
1 answer
102 views

How to choose mixed effects (in logistic glmm)

3 votes
3 answers
370 views

Continuous predictor variable has non-linear association with log odds of response

3 votes
1 answer
544 views

Outliers and possible dispersion in neg. binomial glmm residuals (DHARMa package)

3 votes
1 answer
391 views

How to use pwr.t.test (for Mann-Whitney Test U test) in R

3 votes
0 answers
55 views

Implications of using up degrees of freedom

3 votes
1 answer
99 views

Implications of keeping a "low" basis dimension in GAMM

3 votes
1 answer
79 views

GAM(M): "Shape" vs "wiggliness"?

3 votes
1 answer
202 views

Zero- and one-inflated beta GAMM (Generalized additive mixed model) in mgcv

2 votes
1 answer
485 views

Kruskal-Wallis test on data with heterogeneous variance and small sample sizes per group

2 votes
1 answer
620 views

Can random slopes also be included as fixed effects?

2 votes
1 answer
95 views

How to increase hierarchical GAMM complexity?

2 votes
1 answer
61 views

How to calculate mean difference for effect size calculation?

2 votes
2 answers
317 views

What's the difference between a beta coef. estimate from linear regression and a VIF value?

2 votes
2 answers
299 views

Null hypothesis of regression = grand mean of data?

2 votes
1 answer
657 views

Standard deviation vs. standard error for error bars in observation studies?

2 votes
1 answer
164 views

Independence assumption of non-parametric tests (Mann-Whitney & Wilcoxon Signed rank)

2 votes
1 answer
126 views

Including a variable in a GAMM more than once (in R)

2 votes
0 answers
651 views

Mann-Whitney U Test test valid for percentages (% seagrass cover)?

2 votes
1 answer
253 views

Boxplots: valid method for visualizing collinearity?

2 votes
2 answers
66 views

Analyzing data from a non-randomized sampling design (ecological monitoring)