Graham Wright's user avatar
Graham Wright's user avatar
Graham Wright's user avatar
Graham Wright
  • Member for 3 years, 7 months
  • Last seen this week
23 votes

Why are statistics textbook questions so frequently totally artificial?

15 votes

Explain in layperson's terms why predictive models aren't causally interpretable

15 votes

Can you say that you reject the null at the 95% level?

10 votes

Statistically significant difference

7 votes

heteroskedasticity and logistic regression

6 votes

Categorical vs Quantitative Variables

6 votes
Accepted

Ordinal logistic regression with continuous and categorical independent variable (both ordinal and nominal)

6 votes
Accepted

When should one control for covariates?

5 votes

Significantlly different from zero at the 1% and 5% level of significance

5 votes
Accepted

One-way Table vs Two-way Table. What’s the difference?

5 votes
Accepted

The meaning of the p-value for a correlation coefficient

5 votes

Math behind the position of the point in linear regression with respect to the line?

5 votes
Accepted

What are the indications that one should be using interaction variables in their linear regression model?

5 votes

Why do we need Multi-Level Models when we have Logistic Regression?

5 votes

Having a problem getting the Intuition behind t-tests and z-tests

5 votes

Why is the t-test designed for small samples?

4 votes
Accepted

Should a Hausman test be used to decide between fixed vs. random effects?

4 votes

How to select the best regression model from three models based on hypothesis testing

4 votes

Understanding Random Effects in Linear Mixed Models

4 votes

Ordinal variable in multiple linear regression model?

4 votes

Using OLS over Logit regression

4 votes

How to analyse a data set with more than 500 variables

4 votes
Accepted

Election result - how to say if we can determine a winner?

4 votes
Accepted

Cluster standard errors on experiment group?

4 votes
Accepted

Non-significant predictor variable becomes significant when two control variables are introduced into model

4 votes

What would cause all the coef and tvalue to be the same in regression model when using interaction terms?

3 votes
Accepted

Does adding a random intercept for subject address confounding variables within subjects (e.g. sex or age)?

3 votes

What is the best regression method for small data sets (e.g., ~1000-5000 data points)?

3 votes

Significance test for large sample sizes

3 votes

Are Deep Learning and GPUs changing the game?