25 Recipes for Getting Started with R (REAL TIME BOOKS) de Paul Teetor

25 Recipes for Getting Started with R: REAL TIME BOOKS

Paul Teetor

en Limba Engleză Paperback – 31 mar 2011

This short, concise book provides beginners with a selection of how-to recipes to solve simple problems with R. Each solution gives you just what you need to know to get started with R for basic statistics, graphics, and regression.

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Cuprins

Preface; Other Resources; Downloading Additional Packages; Software and Platform Notes; Conventions Used in This Book; Using Code Examples; Safari® Books Online; How to Contact Us; Chapter 1: The Recipes; 1.1 Downloading and Installing R; 1.2 Getting Help on a Function; 1.3 Viewing the Supplied Documentation; 1.4 Searching the Web for Help; 1.5 Reading Tabular Datafiles; 1.6 Reading from CSV Files; 1.7 Creating a Vector; 1.8 Computing Basic Statistics; 1.9 Initializing a Data Frame from Column Data; 1.10 Selecting Data Frame Columns by Position; 1.11 Selecting Data Frame Columns by Name; 1.12 Forming a Confidence Interval for a Mean; 1.13 Forming a Confidence Interval for a Proportion; 1.14 Comparing the Means of Two Samples; 1.15 Testing a Correlation for Significance; 1.16 Creating a Scatter Plot; 1.17 Creating a Bar Chart; 1.18 Creating a Box Plot; 1.19 Creating a Histogram; 1.20 Performing Simple Linear Regression; 1.21 Performing Multiple Linear Regression; 1.22 Getting Regression Statistics; 1.23 Diagnosing a Linear Regression; 1.24 Predicting New Values; 1.25 Accessing the Functions in a Package;