Results 11 to 20 of about 574,034 (286)

Three-way ROC analysis using SAS Software

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2013
The most commonly used measure of model accuracy in medicine with three categories of target variable is the volume under ROC surface (VUS), which is the extension of the area under curve (AUC) for binary models (Le and Lili, 2013).
Juraj Kapasný, Martin Řezáč
doaj   +4 more sources

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.
Laura Quitzau Mortensen   +2 more
exaly   +4 more sources

GLUMIP 2.0: SAS/IML Software for Planning Internal Pilots [PDF]

open access: yesJournal of Statistical Software, 2008
Internal pilot designs involve conducting interim power analysis (without interim data analysis) to modify the final sample size. Recently developed techniques have been described to avoid the type~I error rate inflation inherent to unadjusted hypothesis
John A. Kairalla   +2 more
doaj   +1 more source

State Space Modeling Using SAS [PDF]

open access: yesJournal of Statistical Software, 2011
This article provides a brief introduction to the state space modeling capabilities in SAS, a well-known statistical software system. SAS provides state space modeling in a few different settings.
Rajesh Selukar
doaj   +1 more source

Timed-SAS: Modeling and Analyzing the Time Behaviors of Self-Adaptive Software under Uncertainty

open access: yesApplied Sciences, 2023
Self-adaptive software (SAS) is gaining in popularity as it can handle dynamic changes in the operational context or in itself. Time behaviors are of vital importance for SAS systems, as the self-adaptation loops bring in additional overhead time ...
Deshuai Han   +4 more
doaj   +3 more sources

Data management for prospective research studies using SAS® software [PDF]

open access: yesBMC Medical Research Methodology, 2008
Background Maintaining data quality and integrity is important for research studies involving prospective data collection. Data must be entered, erroneous or missing data must be identified and corrected if possible, and an audit trail created.
Mehr David R, Kruse Robin L
doaj   +3 more sources

POWERLIB: SAS/IML Software for Computing Power in Multivariate Linear Models [PDF]

open access: yesJournal of Statistical Software, 2009
The POWERLIB SAS/IML software provides convenient power calculations for a widerange of multivariate linear models with Gaussian errors. The software includes the Box,Geisser-Greenhouse, Huynh-Feldt, and uncorrected tests in the univariate" approach ...
Jacqueline L. Johnson   +5 more
doaj   +1 more source

Multiple Imputation Using SAS Software

open access: yesJournal of Statistical Software, 2011
Multiple imputation provides a useful strategy for dealing with data sets that have missing values. Instead of filling in a single value for each missing value, a multiple imputation procedure replaces each missing value with a set of plausible values ...
Yang Yuan
doaj   +2 more sources

Applications of Spatial Data Using Business Analytics Tools [PDF]

open access: yesDatabase Systems Journal, 2011
This paper addresses the possibilities of using spatial data in business analytics tools, with emphasis on SAS software. Various kinds of map data sets containing spatial data are presented and discussed.
Anca Ioana ANDREESCU   +2 more
doaj   +2 more sources

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

open access: yesSichuan jingshen weisheng, 2021
The purpose of this article was to introduce the χ2 test for the data of four-fold tables collected from the cross-sectional design and the realization of SAS and R software.
Hu Chunyan, Hu Liangping
doaj   +1 more source

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