Marc in the box's user avatar
Marc in the box's user avatar
Marc in the box's user avatar
Marc in the box
  • Member for 11 years, 10 months
  • Last seen this week
1 vote

Comparing beta coefficient of same variable from two different models in R

3 votes

For a random matrix, shouldn't a SVD explain nothing at all? What am I doing wrong?

5 votes
Accepted

Why are the singular values of a standardized data matrix not equal to the eigenvalues of its correlation matrix?

3 votes

Predict only the first N principal components in a PCA analysis

40 votes

How to use R prcomp results for prediction?

10 votes
Accepted

Showing spatial and temporal correlation on maps

3 votes

Why such a poor result from sparse PCA R package?

5 votes
Accepted

How to use SVD for dimensionality reduction

7 votes
Accepted

Iterative PCA R

38 votes
Accepted

How to perform dimensionality reduction with PCA in R

22 votes

How to determine significant principal components using bootstrapping or Monte Carlo approach?

32 votes

Imputation of missing values for PCA

1 vote
Accepted

Can empirical orthogonal function (EOF) analysis be used as a predictive model?

3 votes

Generating correlated numbers with predefined correlations

2 votes

Generating visually appealing density heat maps in R