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Alternate Forms of the One-Way ANOVA F and Kruskal–Wallis Test Statistics
For ease of instruction in the classroom, the one-way analysis of variance F statistic is rewritten in terms of pairwise differences in individual sample means instead of differences of individual sample means from the overall sample mean.
Roger W. Johnson
semanticscholar +1 more source
Risk profile of postnatal women and their babies attending a rural district hospital in South Africa
BackgroundMaternal and neonatal mortality remain unacceptably high and inequitably distributed in South Africa, with the postnatal period being a dangerous time for both mother and baby.
Kate Rees +9 more
doaj +1 more source
ANOVA simultaneous component analysis: A tutorial review
When analyzing experimental chemical data, it is often necessary to incorporate the structure of the study design into the chemometric/statistical models to effectively address the research questions of interest.
C. Bertinetto, J. Engel, J. Jansen
semanticscholar +1 more source
Power comparison of ANOVA and Kruskal‒Wallis tests when error assumptions are violated
The effects of the violations of normality and homogeneity of variances assumptions on the power of the one-way ANOVA F-test is studied in this paper.
F. Nwobi, Felix Akanno
semanticscholar +1 more source
A Tutorial on Conducting and Interpreting a Bayesian ANOVA in JASP
Analysis of variance (ANOVA) is the standard procedure for statistical inference in factorial designs. Typically, ANOVAs are executed using frequentist statistics, where p-values determine statistical significance in an all-or-none fashion.
D. van den Bergh +16 more
semanticscholar +1 more source
Student’s t-test and classical F-test ANOVA rely on the assumptions that two or more samples are independent, and that independent and identically distributed residuals are normal and have equal variances between groups.
Marie Delacre +3 more
semanticscholar +1 more source
The implementation of ward-based outreach teams (WBOTs), comprised of community health workers (CHWs), is one of the three interventions of the South African National Department of Health’s (NDoH) Primary Health Care (PHC) Re-engineering strategy for ...
Nireshni Naidoo +7 more
doaj +1 more source
Factorial ANOVA with unbalanced data: A fresh look at the types of sums of squares
In this paper we endeavour to provide a largely non-technical description of the issues surrounding unbalanced factorial ANOVA and review the arguments made for and against the use of Type I, Type II and Type III sums of squares.
Carrie Smith, Robert A. Cribbie
semanticscholar +1 more source
Understanding one-way ANOVA using conceptual figures
Analysis of variance (ANOVA) is one of the most frequently used statistical methods in medical research. The need for ANOVA arises from the error of alpha level inflation, which increases Type 1 error probability (false positive) and is caused by ...
Tae Kyun Kim
semanticscholar +1 more source
Background: Chemoradiotherapy-induced gastrointestinal toxicity may lead to a significant impairment of the oncological patient’s quality of life, as well as to reduced adherence to the treatment, which may have a negative impact on survival and ...
Radoslav Danis PharmDr +6 more
doaj +1 more source

