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Frans Rodenburg
  • Member for 4 years, 9 months
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63 votes

Famous easy to understand examples of a confounding variable invalidating a study

44 votes

What is Bayes Error in machine learning?

38 votes
Accepted

Can a confounding factor hide a possible causal relationship? (as opposed to find a spurious one)

30 votes

When does Fisher's "go get more data" approach make sense?

25 votes
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if 2 random variables have exactly same mean and variance

22 votes
Accepted

What is a robust statistical test? What is a powerful statistical test?

18 votes
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T-test, ANOVA or Regression, what's the difference?

17 votes

Visually interesting statistics concepts that are easy to explain

17 votes

Can increasing the amount of training data make overfitting worse?

12 votes

Are the data in this figure normally distributed?

11 votes

Exponential-like distribution with support [0,1]

10 votes
Accepted

When should I use Validation rather than Cross Validation

10 votes
Accepted

Comparing two regressions models by looking at $R^2$

10 votes

Why bootstrapping?

10 votes
Accepted

How to use press statistic for model selection

9 votes

How can I check if my data-frame is normally distributed in R?

9 votes

What is the conjugate prior distribution?

8 votes
Accepted

Family-wise Type I error OLS regression

8 votes
Accepted

Can I ignore the negative R-squared value when I am using instrumental variable regression?

8 votes

Why do I see a pattern in the residuals in this well specified model?

7 votes
Accepted

Flawed multiple linear regression in academia? Heteroscedasticity's effect on p-value?

7 votes

Interaction term is significant WITHOUT main affects... AND main effects are significant WITHOUT interaction term?

7 votes

Can K-fold cross validation cause overfitting?

7 votes

Test to know when to use GLM over Linear Regression?

6 votes

Is the absolute value of a stationary series also stationary?

6 votes
Accepted

What variables need to be controlled for in regression?

6 votes
Accepted

Issue with the results of PCA component values

6 votes
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How to account for multiple measurements of same person in either two-group comparision or regression?

6 votes
Accepted

What does "the denominator does not contain any theta dependence" mean in Bayes' Rule?

5 votes
Accepted

Is a regression using a categorical variable a multiple regression by definition?

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