0
votes
0answers
14 views

Choosing prior distribution in LDA

how do you set prior distribution of K in LDA and can it be used for feature selection to improved selection accuracy of document. Abbey
1
vote
0answers
258 views

How to select the best variables by RandomForest in R?

I have a table of mRNA levels of my target gene and it's transcription factors in many different condition. What I want to do is to select the most important ...
0
votes
2answers
539 views

How to integrate principal components with GLM?

How would I integrate the output of a principal components analysis with a GLM (assuming the PCA is used for variable selection for the GLM)?
3
votes
4answers
610 views

Proper variable selection method for glm

I have a mixed model with a continuous outcome variable and a certain number of predictors. Some need to be included in the model no matter what (sex, age, and a "main factor"), and others must be ...
8
votes
3answers
2k views

How to apply LASSO to IRLS (logistic regression)?

I have programmed a logistic regression using the IRLS algorithm. I would like to apply a LASSO penalization in order to automatically select the right features. At each iteration, the following is ...