Frequency distributions (univariate and joint) can be displayed in contingency tables, or cross-tabulations. In this video we show how tapply() can be used to create such tables, but we…
We continue to discuss data structures in R, this time focusing on matrices. We cover how to form matrices with functions such as matrix(), cbind() and rbind(), and functions related to the…
In this video we introduce the various data structures in R, concentrating on vectors.Vectors are the fundamental unit in R, so it is important to understand how to form and manipulate them. While…