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Hypothesis Testing
using computer simulation. Based on examples from the infer package. Code for Quiz 13.
Bootstrapping and Confidence Intervals
Based on Chapter 8 of ModernDive. Code for Quiz 12.
Data Visualization
A short description of the post.
Exploratory analysis II
Data visualization, part 2. Code for Quiz 8.
6: Exploratory analysis
Data visualization, part 1. Code for Quiz 7.
Joining data
Code for Quiz 6, more dplyr and our first interactive chart using echarts4r.
Data Manipulation
Code for Quiz 5 More practice with dplyr functions
Reading and writing data
A short description of the post.
Introduction to dplyr
Code and Test for Quiz 3
Summary statistics
Comparison of R and Excel