Christian Hennig's user avatar
Christian Hennig's user avatar
Christian Hennig's user avatar
Christian Hennig
  • Member for 4 years, 4 months
  • Last seen this week
  • Bologna, Italy
28 votes

How do you know if an insignificant P value is because of chance error or because the sample size of the data is too small?

22 votes

A chart of daily cases of COVID-19 in a Russian region looks suspiciously level to me - is this so from the statistics viewpoint?

22 votes

Law of Large Numbers for whole distributions

21 votes

Why is t-test more appropriate than z-test for non-normal data?

21 votes

Why is AIC not reported with a confidence interval?

20 votes

OLS regression results: p-values > 0.10, how to proceed?

19 votes

Does Correlation "Sometimes" Imply Causality?

17 votes

Why is my data not normally distributed while I have an almost perfect QQ plot and histogram?

17 votes

How did the “Hat Matrix” get its name

17 votes

Does the rejection of the null hypothesis have anything to do with Popper's theory of falsification?

16 votes

Relevance of assumption of normality, ways to check and reading recommendations for non-statisticians

15 votes
Accepted

Can you multiply p-values if you perform the same test multiple times?

15 votes
Accepted

What are the k-means algorithm assumptions?

14 votes

Why are standard frequentist hypotheses so uninteresting?

14 votes

Is Median Absolute Percentage Error useless?

13 votes

Mathematical demonstration of the distance concentration in high dimensions

12 votes

Degrees of freedom of a coin toss

11 votes
Accepted

Does it always make sense to make a time series stationary?

11 votes
Accepted

What is the 'true' value of a probability parameter?

11 votes

Why Aren't "Non-Informative Priors" More Popular?

11 votes
Accepted

Can we remove significant variables in a regression?

11 votes
Accepted

Why isn't this estimator unbiased?

10 votes

How should variables in statistics be understood?

10 votes

When to check model assumptions

10 votes
Accepted

Does density() function in base R assume normality?

10 votes

In Bayesian statistics, data is considered nonrandom but can have a probability or be conditioned on. How?

10 votes

p-values from `t.test` and `prop.test` differ considerably

9 votes
Accepted

When do we use a multivariate regression?

9 votes
Accepted

Should outliers be removed for goodness-of-fit tests?

9 votes

Objective criteria for assumption violations that do not utilize p-values?

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