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Questions related to ANOVA
What is a 3 way ANOVA? Can ANOVA test type expand on the basis of no. of independent variables as we see in one way to two way to three way and so on if that is the case? I am still not clear. Why...
28 October 2021 8,415 3 View
Dear professionals, i run ANOVA test in SPSS and I found that three independent variables were not significant. I exclude them and re-run the test again ANOVA Test. the result are almost the...
26 October 2021 3,992 4 View
The following observations on ANOVA/ANCOVA and the levene test for homogeneity in variances were made in the sample group in the OB area. It prompted few doubts/queries in my...
25 October 2021 6,198 3 View
i used "dispersiontest" to test for poisson model, it is overdisperse . Therefore , im trying to fit in another model. AIC and anova cant be use to compare between negative binomial and quassi...
24 October 2021 8,642 2 View
I have seen some replacing data techniques for missing data in experimental research in psychology like "multiple imputation". My sample includes 59 people (32 in the control group, 27 in the...
18 October 2021 690 6 View
I have 10 independent variables (gender and 9 ordinal variables) and just 1 dependent variable consisting of 4 questions with yes/no answers. I converted "no" answers to 1 and "yes" answers to 2...
15 October 2021 5,208 10 View
I have two groups of call center agents. One is a control group, the other received updated training on a process. The groups do not interact with each other. I have measured their performance...
14 October 2021 7,443 3 View
The Levene's test for my set of data is >0.05 but the Shapiro Wilk test is
12 October 2021 5,835 6 View
Hello everyone, I'm currenly on my thesis process and I'm on the process of analyzing the data. The data were collected from two sectors of a fild with animals infected by a virus wich is the data...
12 October 2021 6,634 3 View
I have conducted a multi-way ANOVA test, multiple independent variables were significant, but I need to see how the levels of these significant variables differ from each other? Since it is not a...
11 October 2021 8,205 3 View
This is a question from fieldtrip tutorial online. Power spectral analysis treat brain signals as stationary state, but why the amplitude of the power spectra decrease increasing the window...
10 October 2021 7,982 0 View
Choice of parametric statistical methods used in analysis of non-parametric data is often criticize due to lack of fulfillment of assumptions, for example, homogeneity of variance and normality of...
08 October 2021 7,182 5 View
Generally, data augmentation techniques have shown effectiveness for the classification problem. For example, SMOTE is widely used for imbalanced classification. How about the regression...
08 October 2021 300 0 View
Hi Im working on data form an experimental study. I have a categorical independent variable with three levels, a continuous dependent variable and a continuous covariate. An ANOVA checked the...
05 October 2021 7,990 4 View
Hello everyone, Currently I am doing an research of factors affecting exports by using OLS,FEM or REM with N=12 and T=20. When I did an unit root test, it turned out that all independent variables...
05 October 2021 8,325 1 View
I am interested in activating T cells, more specifically Jurkat cells and study IL2 gene expression in the mutant cell line vs WT. Other than CD3/CD28, what are the other cell surface molecules...
04 October 2021 7,405 2 View
I have been told that one-way ANOVA is used only in experimental studies. For some reason, I find it useful in comparing errors of two groups in terms of numbers. Can you help clarify this?
03 October 2021 3,045 3 View
I am running a Welch Anova (due to unequal variance in data). However, I do not know how to report on the results of a Welch Anova. Any examples will be greatly appreciated. Best.
01 October 2021 1,292 3 View
Hi, Everyone I have a statistical issue. I divided all my samples into type and age groups: 1. Young A; 2. Old A; 3. Young B; 4. Old B. I need to compare A vs B under young and aged groups,...
30 September 2021 3,897 3 View
Hi everyone, New grad student here! I've looked everywhere and could not find anything helpful, so I was hoping someone would be able to guide me in the right direction. I have a within-subjects...
28 September 2021 6,657 3 View
Hello every one, I have had some hesitation about which test i apply for my research study, 1: I have three groups (3 condition) of only male subjects, and each subject in each group condition is...
28 September 2021 3,739 3 View
Hello, We are planning to undertake a clinical study that is centered around recording movement data from IMU sensors alongside video recordings of individuals. We aim to establish a ML model,...
28 September 2021 8,676 10 View
Hi there, I am able to run a one-way ANOSIM test in R (vegan package) but I do not know how to carry out a two-way ANOSIM. Here an example for my one-way test for factor Year on my...
27 September 2021 4,478 0 View
Hello! Is there any R script for creating a circular manhattan plot?
27 September 2021 8,672 6 View