Note: A PowerPoint presentation of this webpage can be downloaded here. Introduction Missing data is a common issue, and more often than not, we deal with the matter of missing…
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Introduction to SPSS
SPSS version 29 workshop SPSS is an easy-to-use statistical package that runs on Windows, Macintosh, and UNIX platforms. This workshop is designed for people who are just starting to…
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SPSS Class Notes: Learning More About SPSS
We have created a variety of web pages to help you learn and use SPSS. The web pages are located at https://stats.idre.ucla.edu/spss . The pages include How to get SPSS…
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SPSS Class Notes: Modifying Data
1.0 SPSS commands used in this unit save outfile saves the data file display displays attributes of the data set variable labels labels a variable value labels adds labels to…
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Introduction to Survival Analysis in SAS
1. Introduction Survival analysis models factors that influence the time to an event. Ordinary least squares regression methods fall short because the time to event is typically not normally distributed,…
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Installing SAS 9.x
Before starting to install SAS, please consider the following: SAS can be installed on Windows, Unix, Linux and other operating systems, but it cannot be installed onto a Mac. If…
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Graphics in R II | R Code Fragments
Version info: Code for this page was tested in R Under development (unstable) (2012-07-05 r59734) On: 2012-08-08 With: knitr 0.6.3 Graphics are built up from a few simple pieces. Most…
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Mplus Class Notes: Structural Equation Models
Mplus version 8 was used for these examples. All the files for this portion of this seminar can be downloaded here. In other sections we have shown how to estimate…
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Mplus Class Notes: Freeing,Constraining, and Testing Parameters
Mplus version 8 was used for these examples. All the files for this portion of this seminar can be downloaded here. There are at least two reasons why a researcher…
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Mplus Class Notes: Confirmatory Factor Analysis
Mplus version 8 was used for these examples. All the files for this portion of this seminar can be downloaded here. Confirmatory factor analysis (CFA) is a measurement model that…
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