Make a subset of a table

Slides for this lesson Try to make a sheet with birth weights of babies from smoking mothers (smoke=1). If you have issues with this, look at the video below:

Recap

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Lists

Slides for this lesson Demo script for this lesson Use the folder that contains the unzipped Rdata folder as working directory Why make a list? Lists are created: when you split() a data frame in subsets of different sizes e.g. split mtcars into 3 data frames: cars with 4, 6 or 8 gears. Storing these […]

Matrices

Slides for this lesson Demo script for this lesson