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6 results for “from:Karista Hudelson”

spam backscatter from r-sig-mixed-models?
Karista Hudelson · Apr 19, 2018 · r-sig-mixed-models

Yes there are weird spam replies now that you mention it- my spam folder has several of them. On Thu, Apr 19, 2018 at 4:25 AM, Houslay, Tom <T.Houslay at exeter.ac.uk> wrote: > Yep - I got a...

random slopes model specification
Karista Hudelson · Apr 19, 2018 · r-sig-mixed-models

Greetings again Modelers, Thanks for the reply Dr. Bolker. You brought up some excellent points: the theta values were ~ 0; I was trying to "keep it maximal" (Schielzeth & Forstmeier 2008); I was also surprised this converged/ "worked". Your point about...

Comparing Model Performance Across Data Sets: report p values?
Karista Hudelson · Aug 2, 2017 · r-sig-mixed-models

Hello All, I am comparing the fit of a mixed model on different time periods of a data set. For the first time period I have 113 observations and only one of the fixed effects is significant. For the second...

random slopes model specification
Karista Hudelson · Apr 18, 2018 · r-sig-mixed-models

Hello Mixed Modelers, I was hoping to get a bit of feedback on the random effects structure of the model below. I wanted to allow two of the fixed effects (my effects of interest) to have random slopes and also...

Comparing Model Performance Across Data Sets: report p values?
Karista Hudelson · Aug 8, 2017 · r-sig-mixed-models

Hello again List, Thanks for the clarification question Thierry. I want to compare the predictive ability of the model terms between the two phases. For instance, is Sea Ice more important in phase 1? This comparison is confounded somewhat by...

Comparing Model Performance Across Data Sets: report p values?
Karista Hudelson · Aug 10, 2017 · r-sig-mixed-models

Hello Phillip (and List), Thank you again for your careful consideration of my question. Setting REML to False was really helpful! In the end I decided to go ahead and break the data into two phases and then apply the...

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