In R, loops are often not the most efficient way to do repetitive calculations. Rather than doing the calculations for each value of a variable it is much more efficient to organize the values of…
In this video we will introduce some of the most important packages and functions for importing non-plain text data files. Here we concentrate on importing SAS data sets, which can be done by reading…
R is an open source software system which is constantly being enhanced with user-contributed functions and data sets. Such material is organized into packages, which may be downloaded and installed…