0
votes
1answer
35 views

Simple Mixed Model with 1 Fixed and 1 Random Effect

I have various datasets I need to analyse regarding soil properties, all in the same fashion, with one fixed effect (which is a position along a transect, indicating different land uses). Now my main ...
2
votes
1answer
208 views

lmer interpretation of correlation

I have the following output: ...
0
votes
0answers
59 views

How to handle messed up block design?

Let's pretend we have got a randomized block design with three blocks. The aim is to study the effect of fertilisation and irrigation on productivity in an apple plantation. Within each block there ...
0
votes
0answers
92 views

One-way random effects ANOVA model

I'm starting with Bayesian analysis, and I've been trying to understand how to write a model in Bayesian notation that can be translated into what I want to do with my data. Let's suppose a one-way ...
2
votes
1answer
233 views

Prediction interval for the one-way random effect ANOVA

I don't find a textbook presenting prediction intervals for mixed models. Moreover I'm only looking for a prediction interval for the balanced one-way random effect ANOVA model. Do you know a formula ...
4
votes
2answers
289 views

How to run a two-way ANOVA with a random variable followed by pairwise comparisons?

I have a dataset with which I would like to compare the effect of species and habitat on movement rate, with pairwise comparisons. I would also like to include the effect of individual (as a random ...
3
votes
0answers
237 views

Formulating a mixed model with nested fixed and random effects

I'm analysing the results of an experiment using a mixed (fixed and random-effects) ANOVA with nested effects and I just need someone to confirm that I have the right model. The effects in the design ...
1
vote
0answers
114 views

How to deal with this design?

I have an experiment with 3 biological factors (dev, dev_stage; reg, brain_region; gen, ...
4
votes
1answer
387 views

Variance components

I have a set of $N$ bodies, which is a random sample from a population whose mean and variance I want to estimate. A property of each body is being measured $m_i$ times ($m_i>1$) and different for ...