Introduction The vle package vle.reader provides functions for reading 2D table matrices (eg. csv files). A data matrix can be filled using one call or the file can be read line by line. Use case: read an entire file First, add your data file data.txt into your package (mypackage/data/data.txt). Then fill it with double, integers or strings. In this example the first column contains double, the second contains integer, and the third contains strings: