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George Savva's user avatar
George Savva's user avatar
George Savva's user avatar
George Savva
  • Member for 9 years, 3 months
  • Last seen this week
22 votes

A and B are independent. Does P(A ∩ B|C) = P(A|C) · P(B|C) hold?

19 votes
Accepted

Should I treat these data points as outliers?

17 votes
Accepted

Are these valid histograms?

9 votes

What does this OpenStax textbook passage mean?

8 votes
Accepted

Linear regression with categorical variable: why are standard errors all the same?

8 votes
Accepted

Best plot in R for count data with a broad range and lots of low frequency data

7 votes

Dichotomising vs keeping categories in regression

6 votes

Are there any simpler alternatives to boxplots and barplots that can faithfully represent data with outliers and strongly varying ns?

6 votes
Accepted

Should adjusted models produce narrower CIs than crude ones? What does it depend on?

6 votes
Accepted

Power of two-sample z-test

5 votes
Accepted

Example of sample size calculation for a randomized, placebo-controlled trial

5 votes
Accepted

Mixed models of lme4 and nlme giving too much weight for small clusters?

5 votes

Two one-sided hypothesis tests instead of a two-sided test?

4 votes
Accepted

How to report results from linear mixed models: interaction terms changing significance

4 votes

Increasing the power by dropping points: can I do it?

4 votes
Accepted

If we know that there were no type 1 errors in previous tests, should we still make corrections for multiplicity?

3 votes

Calculating AUC on test set of random forest model in R

3 votes

Calculating statistical significance of gender discrimination in a CS class

2 votes

Is there any downside to scaling a dataset?

2 votes
Accepted

Paired t-test for 2 patients?

2 votes

What is the meaning of the beta for the interaction between continuous variables in a linear mixed-model?

2 votes
Accepted

Smoothing a binned averages

2 votes
Accepted

Is there a statistical measure that combines difference in means and dispersion?

1 vote

Practical interpretation: What is the reference level in such a regression?

1 vote

Standar Deviation of a ratio of means

1 vote

How to set feature engineering for day of a week?

1 vote

Validation criterias in simple linear regression in r

1 vote

How to interpret a mediation analysis results?

1 vote

Is a mixed-model really required?

1 vote

Confidence interval for logistic regression in R