Demo posts for the course topics

11: Hypothesis Testing

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

10: Bootstrapping and Confidence Intervals

Based on Chapter 8 of ModernDive. Code for Quiz 12.

9: Sampling

Based on Chapter 7 of ModernDive. Code for Quiz 11.

8: Data Visualization

Code for quiz 9

7: Exploratory-analysis-II

Data visualization, part 2. Code for Quiz 8.

6: Exploratory analysis

Data visualization, part 1. Code for Quiz 7.

5: Joining data

Code for Quiz 6, more dplyr and our first interactive chart using echarts4r.

4: Data Manipulation

Code for Quiz 5. More practice with dplyr functions.

3: Reading and writing data

Practice reading and writing data, more dplyr and a plot.

2: Introduction to dplyr

Code and text for Quiz 3.

1: Summary statistics

Comparison of R and Excel

More articles »

Demo posts for the course topics