split plot

I have sleep data where there are 5 groups of people, 4 medications, and 5 different days measured. I ran an aov on in R Studio, but the table came back looking like this: Error:Group:Meds Group Meds Residuals Error:Within Day Meds: Day Residuals What I don't understand is...

Hi, I have a data set that has several variables. I believe it would be most appropriate to do a split plot or mixed model type analysis. It is measuring yield with variables such as plot(these are the replicates), township(location of sub study), year(was conducted over two years thought...

I am struggling with the complexity of my experimental design... I apologize in advance for any incorrect terminology or grammar. I know that I have a 2x2x2 factorial design with 2 different dam diets (during pregnancy), 2 different offspring diets, and genders (obviously 2 levels)...

Hi, This is my first time posting here so apologies if my post is not appropriate. I am a masters student doing a project on evaluation of conditioning methods to prepare farmed abalone for the stress of live export. I am looking at whether holding time duration and the ozone levels of the...

Been running around in circles with this for a while. I am trying to figure what sort of design I have and how to go about analyzing it. Any help would be great. Details are below. Sample Date, 3 levels, fixed Field, 2 levels, assumed to be random from a larger population. For each sample...