Results 21 to 30 of about 4,826,572 (274)

How to use analysis of variance correctly——the tests of homogeneity of variance and SAS implementation

open access: yesSichuan jingshen weisheng, 2022
The purpose of the paper was to introduce the test for homoscedasticity and the SAS implementation. The test of homogeneity of variance could be divided into the following three categories, ①analysis of variance directly based on comparison of variances,
Hu Chunyan, Hu Liangping
doaj   +1 more source

Analysis of variance: variably complex [PDF]

open access: yesClinical and Experimental Pharmacology and Physiology, 2012
Please cite this paper as: Drummond GB, Vowler SL. Analysis of variance: variably complex. Microcirculation 19: 280–283, 2012.
Gordon B, Drummond, Sarah L, Vowler
openaire   +8 more sources

One-way analysis of variance with unequal variances. [PDF]

open access: yesProceedings of the National Academy of Sciences, 1989
We have designed a statistical test that eliminates the assumption of equal group variances from one-way analysis of variance. This test is preferable to the standard technique of trial-and-error transformation and can be shown to be an extension of the Behrens-Fisher T test to the case of three or more means.
Rice, William R., Gaines, Steven D.
openaire   +3 more sources

The impact of different nitrogen amount and sources on the yield of three silage corn cultivar (KSC500 - KSC703- KSC704)

open access: yesEnvironment Conservation Journal, 2016
Nitrogen is one of the most important elements required for grain production in different parts of the country. In order to investigate nitrogen consumption in planting three silage corn cultivar: medium Karaj KSC500, new serotinous KSC703 and local ...
Rouhollah Keykhosravi   +2 more
doaj   +1 more source

Analysis of variance--why it is more important than ever [PDF]

open access: yes, 2005
Analysis of variance (ANOVA) is an extremely important method in exploratory and confirmatory data analysis. Unfortunately, in complex problems (e.g., split-plot designs), it is not always easy to set up an appropriate ANOVA.
Hoijtink, Herbert, Hox, Joop
core   +8 more sources

Assessment of the Tribological Performance of Bio-Based Lubricants Using Analysis of Variance

open access: yesAdvances in Mechanical and Materials Engineering, 2023
The purpose of this article is to determine the coefficient of friction of the DC04 steel sheet using a specially designed flat die strip drawing test.
Marek Szewczyk, Krzysztof Szwajka
doaj   +1 more source

Alternating direction method of multipliers for penalized zero-variance discriminant analysis [PDF]

open access: yes, 2015
We consider the task of classification in the high dimensional setting where the number of features of the given data is significantly greater than the number of observations.
Ames, Brendan   +2 more
core   +3 more sources

Mobility and transverse flow visualization using phase variance contrast with spectral domain optical coherence tomography [PDF]

open access: yes, 2007
Phase variance-based motion contrast is demonstrated using two phase analysis methods in a spectral domain optical coherence tomography system. Mobility contrast is demonstrated for an intensity matched Intralipid solution placed without flow within ...
Fingler, Jeff   +3 more
core   +1 more source

Analysis of variance: Comfortless questions [PDF]

open access: yesComputational Ecology and Software, 2017
In this paper the simplest variant of analysis of variance is under consideration. Three examples from textbooks by Lakin (1990) and Rokitsky (1973) were re-considered.
L.V. Nedorezov
doaj  

ANOVA_robust: A SAS Macro for Parametric Tests of Mean Differences in One-Factor ANOVA Models

open access: yesJournal of Statistical Software, 2020
Testing the equality of several independent group means is a common statistical practice in the social sciences. The traditional analysis of variance (ANOVA) is one of the most popular methods.
Thanh V. Pham   +5 more
doaj   +1 more source

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