Version info: Code for this page was tested in Stata 12. Introduction This page shows how to perform a number of statistical tests using Stata. Each section gives a brief description of the aim of the statistical test, when it is used, an example showing the Stata commands and Stata output with a brief interpretation…

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# Search Results for: what stat should i use

# What statistical analysis should I use? Statistical analyses using SPSS

Introduction This page shows how to perform a number of statistical tests using SPSS. Each section gives a brief description of the aim of the statistical test, when it is used, an example showing the SPSS commands and SPSS (often abbreviated) output with a brief interpretation of the output. You can see the page Choosing…

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# What statistical analysis should I use?Statistical analyses using SAS

Introduction This page shows how to perform a number of statistical tests using SAS. Each section gives a brief description of the aim of the statistical test, when it is used, an example showing the SAS commands and SAS output (often excerpted to save space) with a brief interpretation of the output. You can see…

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# What statistical analysis should I use? Statistical analyses using R

Version info: Code for this page was tested in R 2.15.2. Introduction This page shows how to perform a number of statistical tests using R. Each section gives a brief description of the aim of the statistical test, when it is used, an example showing the R commands and R output with a brief interpretation…

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# Introduction to Meta-analysis in Stata

Meta-analysis is the synthesis of results from previous studies. It is used to increase power, obtain a better estimate of an effect size, and sometimes to resolve conflicting conclusions in the literature. In this workshop, we will discuss how the data for a meta-analysis are collected and organized, as well as how such data are…

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# Survey Data Analysis in Stata 17

The purpose of this workshop is to explore some issues in the analysis of survey data using Stata 17. Before we begin, you will want to be sure that your copy of Stata is up-to-date. To do this, please type update all in the Stata command window and follow any instructions given. These updates include…

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# Decomposing, Probing, and Plotting Interactions in Stata

Purpose This seminar will show you how to decompose, probe, and plot two-way interactions in linear regression using the margins command in Stata. This page is based off of the seminar Decomposing, Probing, and Plotting Interactions in R. Outline Throughout the seminar, we will be covering the following types of interactions: Continuous by continuous Continuous by…

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# Stata Class Notes: Modifying Data

codebook Show codebook information for file order Order the variables in a data set aorder Order the variables in a data set in alphabetical order label data Apply a label to a data set label variable Apply a label to a variable label define Define value labels for a categorical variable label values Apply value…

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# How can I use LMATRIX and MMATRIX to perform custom contrasts in a repeated measures ANOVA? | SPSS FAQ

After running a repeated measures ANOVA model, we are often interested in performing post hoc contrasts between various cell means or effects to estimate specific effects or differences in effects. To specify a contrast, some of the coefficients will be weighted with positive weights (e.g. 1) and others with negative weights (e.g. -1). In SPSS,…

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# Introduction to Meta-Analysis in Stata

What to expect from this workshop Definition of systematic review and meta-analysis Information on how to collect data for a systematic review and/or meta-analysis How to organize data for a meta-analysis How to run a meta-analysis and interpret the results How to make some useful graphs A brief discussion of the different types of biases…

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