Appendix of Videos in Course Textbook
These are the instructional videos that appear throughout the course textbook.
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Appendix of Data Frames Used in Course Textbook
All data frames listed below are automatically preloaded when you run library(coursekata). Link to full repository of R documentation: https://www.rdocumentation.org/ Data Frame Name and Link to R Documentation Ames BikeCommute FatMice18 Fingers ...
Using the R Sandbox
The R Sandbox The R Sandbox is a separate R window you can use to experiment with R code and play around with ideas from the course. It comes pre-loaded with the base R packages and all of the packages and datasets we reference in the textbook. ...
Statistical Model
A statistical model is a simplified way of describing how data are generated. It helps us separate what we can explain using known information from what we cannot explain perfectly. We use statistical models for three main purposes: (1) to understand ...
Boxplots
Note: If you are viewing this article within the Help Desk widget from within the course textbook, we recommend opening the article in a new tab with the button in the top right corner (as seen below) so that the images will be easier to see. A ...
What are the boxes and whiskers in a boxplot?
What are the boxes and whiskers in a boxplot? We use boxplots to show the distribution of data mainly through four quartiles (Q1, Q2, Q3, Q4). The boxplot has two whiskers (Q1, Q4), two smaller boxes (Q2, Q3) and a larger central box (Q2, Median, Q3) ...