Iván Beltrán

3 Questions 3 Answers 0 Followers

Questions related from Iván Beltrán

How do you use factor analysis on categorical variables?

Hi, I'm trying to identify how similar different individuals are in their body traits. Normally, I would use a PCA or DFA, depending on my question. However, I have only categorical variables...

21 July 2020 4,492 1 View

Using autocorrelation structure in mixed-models. AR1 or ARMA?

Hello, I would appreciate your help in explaining how to include autocorrelation structures in a linear mixed model. In my experiment, I am interested in analysing differences in soil temperatures...

27 November 2019 6,437 2 View

Is this spectrophotometric assay useful to measure prostaglandins in blood serum?

Specifically Prostaglandin E2

12 December 2012 2,276 0 View