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Sampling

A short description of the post.

Data Visualization

Code for Quiz 9.

Exploratory analysis II

Data visualization, part 2. Code for Quiz 8.

Exporatory 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

Introduction to dplyr

Code and text for Quiz 3.

Summary Statistics

Comparison of R and Excel

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