This course teaches you how to use the POWER and GLMPOWER procedures to compute prospective power and sample size calculations.

Lernen Sie, wie Sie / Learn how to

• estimate the parameters for a power analysis
• conduct a sensitivity analysis of the parameters
• perform power analyses on a two-sample t-test, a multiple regression model, a one-way ANOVA model, a two-way ANOVA model with covariates, multiple logistic regression model, and the comparison of two survival curves.

Zielgruppe / Who should attend

Those who are involved in planning research studies and designing experiments

Verfügbare Schulungsformen / Formats available	Dauer (kann variieren, Details s. Terminliste)
E-Learning:	3.5 Stunden/180 Tag Lizenz	Systemvoraussetzungen

Before attending this course, you should have taken SAS® Programming 1: Essentials, Statistics 1: Introduction to ANOVA, Regression, and Logistic Regression, and Statistics 2: ANOVA and Regression, or have equivalent experience.

In diesem Kurs wird mit folgenden Software Modulen gearbeitet / This course addresses SAS/STAT Software

This course also addresses Base SAS software and SAS/GRAPH software.

Power and Sample Size Analysis

• concepts of power analysis
• two-sample t-test
• equivalence test
• noninferiority test
• confidence interval precision
• sawtooth power function in proportion analyses
• power analysis of two independent proportions

Advanced Power and Sample Size Analyses

• multiple regression
• one-way ANOVA
• two-way ANOVA with covariates
• multiple logistic regression
• comparing two survival curves