Results 21 to 30 of about 2,840,930 (329)

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

A new method for indicator species analysis in the framework of multivariate analysis of variance

open access: yesJournal of Vegetation Science, 2021
For a set of plots that are grouped according to some external criteria, such as selected environmental variables or different experimental treatments, two relevant questions usually asked by community ecologists are: “Are these groups compositionally ...
C. Ricotta   +3 more
semanticscholar   +1 more source

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

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

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

Estimation of the Effect of Production Parameters on Mechanical Properties of Sintered Steels using ANOVA

open access: yesArchives of Metallurgy and Materials, 2017
The object of the study was to assess the influence of selected production parameters of sintered Fe-Mn-Cr-Mo-C steels i.e. chemical composition, sintering temperature, sintering atmosphere and heat treatment on the following mechanical properties ...
Sułowski M.   +3 more
doaj   +1 more source

An Efficient SDN load balancing scheme based on variance analysis for massive mobile users [PDF]

open access: yes, 2015
In a traditional network, server load balancing is used to satisfy the demand for high data volumes. The technique requires large capital investment while offering poor scalability and flexibility, which difficultly supports highly dynamic workload ...
Lin, Qunfeng   +4 more
core   +1 more source

Substantiation of agroecological factors on soybean agrophytocenoses by analysis of variance of the Right-Bank Forest-Steppe in Ukraine

open access: yesUkrainian Journal of Ecology, 2020
In the article agroecological factors of competitive bioorganic varietal technology of soybean cultivation which provides development of regulations of application of a complex of alternative types of fertilizers for their cultivation in the context of ...
I. Didur   +5 more
semanticscholar   +1 more source

Fréchet analysis of variance for random objects [PDF]

open access: yesBiometrika, 2017
Fréchet mean and variance provide a way of obtaining a mean and variance for metric space-valued random variables, and can be used for statistical analysis of data objects that lie in abstract spaces devoid of algebraic structure and operations ...
Paromita Dubey, H. Muller
semanticscholar   +1 more source

Anthropometric and physical characteristics allow differentiation of young female volleyball players according to playing position and level of expertise

open access: yesBiology of Sport, 2016
The aim of our study was to determine the differences in some anthropometric and physical performance variables of young Croatian female volleyball players (aged 13 to 15) in relation to playing position (i.e., independent variable) and performance level
M Milić   +5 more
doaj   +1 more source

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