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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 ...
data
Data are numbers that represent something about the world; the result of sampling and measurement.
tidy data
Tidy data is a way of organizing data into rectangular tables, with rows and columns, in which each column is a variable, each row is an observation, and each type of observational unit it kept in a different table.
print()
The print() function will print out, or make visible in the output, any contents in the argument. Example 1: The print() function can be helpful for annotating code output. Put content in "quotations" to avoid error messages. print("Analysis of ...
select()
The select() function will select specific columns (variables) in a data frame. This may be useful when a data frame has many variables and you only want to take a look at a few of them together, or save a subset of variables as a new data frame. ...