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Sampling

Code for Quiz 11.

Data Visualization

Code for quiz 9

7: Exploratory-analysis-II

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 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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