Helio Langa

2 Questions 1 Answers 0 Followers

Questions related from Helio Langa

How to do Multiple imputation in R considering the hierarchical structure

Since my data is cluster data and I have to impute the data, take into account that the data came from different centers. How can i do it in R?

16 October 2012 421 3 View

Nonlinear Mixed Model with random effect using a NLMIXED. How to get the right starting values?

I would like to fit a Nonlinear Mixed Model with random effect using a NLMIXED in SAS but I am having problems getting the starting values. My model for longitudinal data only has the outcome...

04 June 2012 4,982 3 View