Recipes for Getting Started with R
目录
1.1 Downloading and Installing R 1
1.2 Getting Help on a Function 3
1.3 Viewing the Supplied Documentation 4
1.4 Searching the Web for Help 6
1.5 Reading Tabular Datafiles 8
1.6 Reading from CSV Files 10
1.7 Creating a Vector 12
1.8 Computing Basic Statistics 13
1.9 Initializing a Data Frame from Column Data 16
1.10 Selecting Data Frame Columns by Position 17
1.11 Selecting Data Frame Columns by Name 21
1.12 Forming a Confidence Interval for a Mean 22
1.13 Forming a Confidence Interval for a Proportion 23
1.14 Comparing the Means of Two Samples 24
1.15 Testing a Correlation for Significance 26
1.16 Creating a Scatter Plot 28
1.17 Creating a Bar Chart 29
1.18 Creating a Box Plot 30
1.19 Creating a Histogram 32
1.20 Performing Simple Linear Regression 33
1.21 Performing Multiple Linear Regression 34
1.22 Getting Regression Statistics 36
1.23 Diagnosing a Linear Regression 39
1.24 Predicting New Values 42
1.25 Accessing the Functions in a Package 43
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发表于 2013-2-14 23:26:50
