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Top Questions

3 votes
2 answers
626 views

Can a non-symmetrical distribution have the same areas under the PDF in the two sides around the mean?

5 votes
2 answers
336 views

Standard negative binomial regression when counts are mainly zeros?

4 votes
1 answer
688 views

How can a hazard function be negative?

4 votes
3 answers
455 views

Welch t-test p-values are poorly calibrated for $N=2$ samples

3 votes
2 answers
291 views

Sandwich variance estimator or bootstrap-based variance for stabilized inverse probability weighting (IPW)

5 votes
2 answers
388 views

I think standard deviation of y is related to size of x. How do I create a model for this / test this?

5 votes
2 answers
168 views

Examples of distributions with easily solvable quantile functions but hard to solve CDFs

4 votes
2 answers
297 views

What is the median of the minimum or maximum of multiple samples?

3 votes
1 answer
228 views

Estimating mean and SD given the median and IQR values

5 votes
1 answer
281 views

Is it statistically appropriate to aggregate indexes?

4 votes
2 answers
147 views

Concentration bounds for a mixture of a fixed value and a uniform distribution

2 votes
3 answers
126 views

Misconceptions about the Meaning of Confidence Intervals [duplicate]

4 votes
3 answers
119 views

I have count data, but it does not follow a Poisson distribution, what to do?

4 votes
1 answer
150 views

When to choose GAM over GLMM and how to include random effect into GAM

2 votes
2 answers
51 views

Why is my pvalue for chisquared test so high?

0 votes
1 answer
47 views

getting insignificant p-values but large effect size what should I do?

4 votes
4 answers
69 views

Statistical Inference on Samples vs Populations

3 votes
2 answers
72 views

Exercise on finding probability density function

2 votes
1 answer
71 views

ANOVA with unreliable measure

1 vote
1 answer
53 views

Does CDF must have value 0 at lowest possible input?

0 votes
3 answers
66 views

How to show that many functions (a hundred, a thousand) have the same shape an distribution of values over an interval?

1 vote
1 answer
64 views

Does my observational study present as being a nested or crossed design?

1 vote
1 answer
73 views

Logloss worse than random guessing with xgboost

1 vote
1 answer
39 views

Generating highly non-independent random samples

2 votes
2 answers
61 views

Is considering a specific distribution necessary before computing an average?

1 vote
0 answers
97 views

Dealing with non-proportional hazards in a Cox model with many variables and a large dataset [closed]

1 vote
2 answers
44 views

Need help understanding odds ratio over time example

2 votes
1 answer
34 views

How does one develop an intuitive understanding of statistical methods and the ability to "know" which test to use, why, and how to interpret results [closed]

1 vote
1 answer
53 views

Birnbaum's Theorem: Strong belief in a model $\implies$ the likelihood function must be used as a data reduction device?

3 votes
2 answers
40 views

Why is the amount of Eigenvalue of the first Principal component much higher than the rest of the PCs?

2 votes
1 answer
63 views

variance of the estimator of unconditional mean of AR(1) process

0 votes
1 answer
49 views

Advice on mixed effect model formula for R's lme4

0 votes
1 answer
47 views

Sample size calculation clinical trial

0 votes
0 answers
72 views

How to do rarefaction analysis for sample-based abundance data?

0 votes
1 answer
72 views

Expected value of iid squared conditioned on sum

2 votes
2 answers
41 views

Defining clinical follow-up: Fixed Period vs. Maximum Duration

0 votes
2 answers
65 views

What are the possible solutions for performing full matching on a dataset with a size of 61,000? [closed]

3 votes
3 answers
83 views

Can hypothesis testing be done on two points? [closed]

0 votes
1 answer
48 views

lmer - how to report results and group differences? [closed]

1 vote
2 answers
36 views

converting Five point likert scale to uniform scale [closed]

2 votes
0 answers
59 views

Poisson two-way ANOVA test for Before and After treatment (including a control)

0 votes
2 answers
27 views

Relationship between sensitiviy, probability of detection and Prevalence

0 votes
0 answers
56 views

Can someone show me an example of what a probability distribution looks like and its notation? [closed]

1 vote
0 answers
56 views

Does artificially balancing outcomes in regression lead to poor calibration? If so, how to show the poor calibration?

-1 votes
0 answers
55 views

What are some SOTA algorithms for single hyperparameter optimization while training Deep Neural Networks?

2 votes
1 answer
33 views

lmer - How to interpret correlation between Random Factors?

2 votes
1 answer
42 views

Should I normalise a sample drawn from a skewed population?

0 votes
2 answers
25 views

Limited outcome events. Choice of method


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