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Hypothesis Testing
Using computer simulation. Based on examples from the infer package. Code for Quiz 13.
Bootstrapping
Based on Chapter 8 of ModernDive. Code for Quiz 12.
Sampling
Based on Chapter 7 of ModernDive. Code for Quiz 11.
Data Visualization
Code for Quiz 9.
Exploratory Analysis 2
Data visualization, part 2. Code for Quiz 8.
Exploratory analysis
Data visualization, part 1. Code for Quiz 7.
Joining data
Code for Quiz 6, more dplyr and our first interative chart using echarts4r.
Data Manipulation
Code for Quiz 5. More practice with dplyr functions.
Reading and Writing Data
Reading and writing data
Introduction to dplyr
Code and text for Quiz 3.
Summary Statistics
Comparison of R and Excel