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Matthew Drury's user avatar
Matthew Drury's user avatar
Matthew Drury's user avatar
Matthew Drury
  • Member for 9 years, 3 months
  • Last seen this week
19 votes
Accepted

Should we bin continuous variables?

18 votes

Why does the variance of the Random walk increase?

18 votes
Accepted

PCA finds a variable to be the most important twice

18 votes
Accepted

Is it wrong to choose features based on p-value?

17 votes

What are some important uses of random number generation in computational statistics?

17 votes

Is R's glm function useless in a big data / machine learning setting?

17 votes

Are CDFs more fundamental than PDFs?

17 votes

Probability of a single real-life future event: What does it mean when they say that "Hillary has a 75% chance of winning"?

17 votes
Accepted

How to handle predictors that are highly correlated to the response

17 votes
Accepted

Linear regression, conditional expectations and expected values

16 votes
Accepted

Is the sum of a large number of independent Cauchy random variables Normal?

16 votes
Accepted

What is meant by the variance of *functions* in *Introduction to Statistical Learning*?

16 votes
Accepted

Bias-variance decomposition and independence of $X$ and $\epsilon$

16 votes
Accepted

Choosing the range and grid density for regularization parameter in LASSO

16 votes

Is decision threshold a hyperparameter in logistic regression?

15 votes
Accepted

When is logit function preferred over sigmoid?

15 votes
Accepted

Is the median a "metric" or a "topological" property?

15 votes
Accepted

Interpretation of bs(x) and gam Results

15 votes

How to fit piecewise constant (or step-function) model and compare to logistic model in R

14 votes

Why GLMs predict the mean and not the mode?

14 votes
Accepted

How to use PCA in regression?

14 votes
Accepted

Do all bounded probability distributions have a definite mean?

14 votes
Accepted

Feature extracted by max pooling vs mean pooling

13 votes
Accepted

Overfitting with Linear Classifiers

13 votes
Accepted

Things that I am not sure about "LASSO" regression method

13 votes

Correlation between sine and cosine

13 votes
Accepted

Is Multiple Linear Regression in 3 dimensions a plane of best fit or a line of best fit?

12 votes
Accepted

Is this really perfect separation in logistic regression, or is something else going on?

12 votes
Accepted

How is gradient boosting like gradient descent?

12 votes
Accepted

PCA: Eigenvectors of opposite sign and not being able to compute eigenvectors with `solve` in R

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