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Hypothesis Testing

Using computer simulation. Based on examples from the infer package. Code for Quiz 13

Data Visualization

Code for quiz 9.

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 text for Quiz #3

Summary Statistics

Comparison of R and Excel

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