All Questions
6 questions
0
votes
0
answers
44
views
glmer estimate is negative, but should be positive
I'm looking at a glmer for my masters thesis research (I cannot share the data until after thesis is completed so I will try to be very explicit in the descriptions).
But to summarize, my dependent ...
0
votes
0
answers
536
views
Use predict function for average over all levels with contrast.sum
I have a model with Machine as factorial variable. The contrast is set to "contr.sum".
...
- 21
1
vote
1
answer
1k
views
LMER Factor vs numeric Interaction
I am attempting to use lmer to model my data.
My data has 2 independent variables and a dependent variable.
The first is "Morph" and has values "Identical", "Near", "Far".
The second is "Response" ...
- 133
4
votes
1
answer
7k
views
How to interpret sum contrast in regression (LMM)?
I am having difficulty understanding how the results from Linear Mixed Effects model. I am examining the three different types of learning condition, condition A, B, and C. My formula using Lme4 ...
- 616
2
votes
1
answer
11k
views
How to preserve order of factor levels in R [closed]
I have an unbalanced longitudinal data for glucose levels of some patients coming to a hospital. My data looks like id, date, glucose_level. As I want to find the ...
- 863
2
votes
2
answers
612
views
Forcing nlme to give the results for the levels of a treatment as "absolute" values instead of contrasts
I am using a nonlinear model to fit an equation to data using nlme in R.
Several values (one by treatment) are estimated for a fixed effect.
As usual, by default ...
- 21