Results 11 to 20 of about 574,679 (272)

How to use χ2 test correctly—— χ2 tests for the data collected from the three kinds of two dimensional contingency tables without ordinal variables in two directions

open access: yesSichuan jingshen weisheng, 2021
The purpose of this article was to introduce the χ2 test and SAS and R software implementation of three kinds of two-way unordered two-dimensional contingency table data except the four-fold table data.
Hu Chunyan, Hu Liangping
doaj   +1 more source

Bayesian regression in SAS software [PDF]

open access: yesInternational Journal of Epidemiology, 2012
Bayesian methods have been found to have clear utility in epidemiologic analyses involving sparse-data bias or considerable background information. Easily implemented methods for conducting Bayesian analyses by data augmentation have been previously described but remain in scant use.
Sheena G, Sullivan, Sander, Greenland
openaire   +3 more sources

How to use χ2 test correctly—— χ2 tests for the data collected from the two kinds of two dimensional contingency tables with an ordinal variable in one direction

open access: yesSichuan jingshen weisheng, 2021
The purpose of this paper was to introduce the linear trend χ2 tests for the data of the two kinds of one-way ordinal two-dimensional contingency tables and the implementation of SAS and R software.
Hu Chunyan, Hu Liangping
doaj   +1 more source

How to use χ2 test correctly——χ2 test for the data of four-fold table collected from the matched pairs design

open access: yesSichuan jingshen weisheng, 2021
The purpose of this paper was to introduce the McNemar΄s χ2 test and SAS and R software implementation of four-fold table data collected from the matched pairs design.
Hu Chunyan, Hu Liangping
doaj   +1 more source

How to use χ2 test correctly—— χ2 test for the data of four-fold tables collected from the cohort design

open access: yesSichuan jingshen weisheng, 2021
The purpose of this paper was to introduce the χ2 test for the data of four-fold tables collected from the cohort design, the hypothesis test and interval estimation of relative risk, and the implementation of SAS and R software.
Hu Chunyan, Hu Liangping
doaj   +1 more source

Matching Cases and Controls Using SAS® Software [PDF]

open access: yesFrontiers in Big Data, 2019
Matching is frequently used in observational studies, especially in medical research. However, only a small number of articles with matching programs for the SAS software (SAS Institute Inc., Cary, NC, USA) are available, even less are usable for inexperienced users of SAS software.
Mortensen, Laura Quitzau   +4 more
openaire   +4 more sources

Simplified Polydispersion Analysis of Small-Angle Scattering Data

open access: yesApplied Sciences, 2022
With polydisperse inhomogeneities, the analysis of small-angle scattering (SAS) data is possible by fitting the experimental data to theoretical models. Despite scientific software being available for this task, many scientists in different fields prefer
Flavio Carsughi
doaj   +1 more source

Trends in Statistical Analysis Software Use for Horticulture Research between 2005 and 2020

open access: yesHortTechnology, 2022
Courses are the main source of data analysis training for students. The statistical software training taught in those courses can affect student career readiness.
Marina L. Curtis, Gerardo H. Nunez
doaj   +1 more source

ERP Systems Created to Support Academic Management in Contexts of Geographic Dispersion: A Case Study in Regional Higher Education

open access: yesITM Web of Conferences, 2017
In response to extension of coverage goals in higher education, academic programs offering has been growing in regions geographically dispersed which management requires solid information systems able to adapt to the context needs and particularities ...
Gabriel Moreno   +3 more
doaj   +1 more source

How to use χ2 test correctly——the analysis of a common risk difference for the data of a multiway table and the implementation of SAS software

open access: yesSichuan jingshen weisheng, 2021
The purpose of this article was to introduce the risk rate difference analysis method of the g×2×2 table data and the calculation method based on the SAS software.
Hu Chunyan, Hu Liangping
doaj   +1 more source

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