nested design

  1. C

    using glimmix for multi-level modeling

    I have a question about how to conduct multi-level analysis in glimmix. I have administered a peer nomination survey to a group of elementary students. The students were asked to indicate if their fellow classmates matched a series of descriptions (let's just label them, X, Y, and Z)...
  2. R

    Help with R GLM Formula for paired/nested model

    I have an experimental design as follows: Two treatments, carried out on the same sample. The samples are collected from soil at five depths, in five different pits, from five different fields. I want to: (1) see if the treatment has an effect on the species richness found in the soil...
  3. G

    Multi-level modeling?

    I've spent the last two days reading and attempting to find an answer to my question but I am unsure if the answers that I am finding are even accurate because to be honest, I am not sure what to call the analysis that I am attempting to use. I am using SPSS for analysis procedures, so any help...
  4. E

    Most appropriate statistical test for this nested design

    I currently am conducting a study where I have three variables: one that is binary, and two numerical variables as measured on a ratio scale. Each of the subjects in my study has values for each of the three variables. Variables: Condition (binary): Values 0 and 1 Pre (ratio) Post...
  5. T

    Complex PERMANOVA mixed model nested design in PRIMER

    Hi All, I am trying to use a complex ANOVA design with the Permanova function in PRIMER. I have been working on this for a while with no significant progress, so any ideas or help would be greatly appreciated. The SAS code for my design is: proc mixed data=treatment; class Gap Wood...
  6. S

    mixed model nested ANOVA

    I have been trying to run a three factor ANOVA in Statistica 8.0. My experimental design leads to nested, random and non-random factors: Site fixed factor Treatment (site) fixed factor Month random factor I have been unable to work out how this...
  7. J

    Looking for guidance on an experimental design

    Hey folks: I've got a question that requires a somewhat complex experimental design (nested + repeated measures) and wanted to get a few opinions. I am measuring soil respiration (essentially metabolic rate of microorganisms and plants underground) in a forest that has been damaged by a...