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Introduction to SAS Statistical Analysis System

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Introduction to SAS Statistical Analysis System

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Questions and Answers

True or false: SAS is a platform-dependent software?

False

True or false: SAS/GRAPH is a tool used for data visualization through graphs?

True

True or false: SAS/ETS is used for quality control?

False

True or false: SAS/IML stands for Interactive Matrix Language?

True Signup and view all the answers

True or false: SAS/PH is used for clinical trial analysis?

True Signup and view all the answers

What is the abbreviation for Breiman et al.'s book, Classification and Regression Trees?

CART Signup and view all the answers

What is the main focus of Breiman et al.'s book, Classification and Regression Trees?

Classification Signup and view all the answers

What are the goals of the section on Tree-Based Classifiers?

Adapt trees and ensembles to perform classification Signup and view all the answers

What is the optimization criterion used in regression trees?

$RSS$ (Residual Sum of Squares) Signup and view all the answers

What is the value assigned to each terminal node in regression trees to optimize the criterion?

$Sample$ $mean$ minimizes $RSS$ Signup and view all the answers

Study Notes

SAS Software

SAS is a platform-independent software.
SAS/GRAPH is a tool used for data visualization through graphs.

SAS Modules

SAS/ETS (Econometrics and Time Series) is used for forecasting, econometrics, and time series analysis.
SAS/IML (Interactive Matrix Language) is a programming language used for interactive data analysis and model building.
SAS/PH (Pharmaceutical Applications) is used for pharmaceutical applications, including clinical trial analysis.

Book: Classification and Regression Trees

The abbreviation for Breiman et al.'s book is CART.
The main focus of the book is on decision tree-based methods for classification and regression.
The goals of the section on Tree-Based Classifiers include predicting continuous outcomes, classifying new observations, and identifying important predictors.
The optimization criterion used in regression trees is variance reduction.
Each terminal node in regression trees is assigned the mean of the response variable values to optimize the criterion.

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Description

Test your knowledge of SAS, the Statistical Analysis System, which is widely used for statistical analysis, data visualization, and running SQL queries. Learn about SAS versions and its capabilities for descriptive visualization through graphs.