search for: cavaries

Dear R users, I fitted a repeated measure model without random effects by using lme. I will use the estimates from that model as an initial estimates to do multiple imputation for missing values of the response variable in the model. I am trying to extract the within group correlation matrix or covariance matrix. here is my code: f = lme(y ~x0+x1+trt+tim+x1:tim +tim:trt,random=~-1|subj,

Nomadica Brainstorming has a summer intern position for its Barcelona, Spain offices. Not far from dozens of wineries and "cavaries". We have a high tech product in the works for the wine industry and want a creative business person to help us work out all the gyrations of this new business model. This might lead to a full time position in Spain or in the US where we have bases. I hope posting an internship position her...