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Questions related to Analyses of Variance
Dear folks, does anyone know whether it is allowed to calculate a repeated measures ANOVA where one factor has no variability? E.g. I have 3 types of errors (factor categories: A,B,C) and 6 action...
07 July 2017 7,691 3 View
Looking for R software code for Augmented Design with package "agricolae". I am working on analysis of 2146 germplasm accessions grown in augmented block design, in 74 blocks along with 3 control...
07 July 2017 1,357 2 View
instead of using MAY We should use WILL
07 July 2017 3,396 8 View
I'm analyzing cell counts from brain tissue and per animal I have 4-6 tissue sections with my region of interest. My current approach is to take the average number of positive cells from each...
07 July 2017 2,644 4 View
Hi, I have a study with a two-way between groups ANOVA (full factorial design). The interaction effect between A*B is significant. Each factor has two levels (A1,A2, B2, B2). How to conduct a...
07 July 2017 4,310 5 View
03 July 2017 2,403 5 View
about data analysis
18 June 2017 2,849 5 View
I am trying to do a within-subject repeated measures (3 time points) analysis for a single participant but am getting significance values of blank/ nothing. Why might this be the case? I am trying...
06 June 2017 1,592 7 View
06 June 2017 3,765 6 View
What is the difference between linear, quadratic and cubic polynomial contrasts (e.g. for increasing levels of a treatment) ? When it is recommended to use the cubic contrast while I have linear...
06 June 2017 3,006 6 View
Other stats: Wilk's Lambda, Hotelling-Lawley Trace, Roy's Maximum Root.
16 May 2017 595 2 View
i am using a fixed effect panel data with 100 observations (20 groups), 1 dependent and three independent variables. i would like to get a regression output from it. my question is it necessary to...
09 May 2017 5,913 2 View
05 May 2017 6,376 2 View
I wish to explore the effect of the interaction of three independent variables each of which has two levels on a dependent variable. Thanks in advance for the answers.
05 May 2017 2,279 7 View
I have several groups of treatments, I want to know if each of them is significantly different than the one control group or not, I was advised to use dunnett's test, I wish to know the steps on...
05 May 2017 9,097 4 View
0 down vote favorite I am working on a HLM longitudinal analysis. I have four time points spaced unequally - pre-test: 0 months, post-test: 2 months later, follow-up: 6 months later after...
05 May 2017 3,851 6 View
Colleagues and I ran an experiment which gives us a set of correlations. We preregistered at the Open Science Framework at https://osf.io/593sz/registrations/. Preregistration involves...
05 May 2017 5,581 16 View
01 May 2017 9,635 15 View
Hi, I am doing a study design and planning to do a moderation study. This is the simplest model. However, I am struggling with the calculation of sample size. How do I calculate the sample size...
24 April 2017 5,695 8 View
Please if anyone knows the answer explain to me as i need to make a relevant analysis.
14 April 2017 8,559 2 View
04 April 2017 4,678 7 View
When I carry out ANOVA on my experimental data ( 3 factors, 2 levels) , I'm getting " * " for all my p and f values in minitab 17. Can someone give a clear procedure as to what should be...
04 April 2017 3,215 1 View
I am running statistics on PCR data, specifically delta CT values. I have 2 forms at 3 doses each as my independent variables (Form A and Form B @ 2, 10, and 20 mg/kg diets each). I am not...
04 April 2017 3,346 3 View
04 April 2017 6,342 2 View