Reads Data of many different formats. Currently: .dta (STATA), .sav (SPSS), .mat (MATLAB), .xls/.xlsx (Excel), and .raw, .csv, .txt, .asc, .dat. Is the basis-function for the GREA add-in.
A single string with the location and name of the file, e.g. data/blabla.csv
header
A logical indicating whether a text-delimited file contains a header row.
sep
A character string specifying a column separator.
dec
A character string specifying a decimal separator.
sheetIndex
A numerical value to indicate which sheet to import (Excel formats).
na.values
A character string specifying which values to convert to NA's.
while importing. Can be a vector of values when reading text-delimited files (read.table),
and should be a single value when importing Excel files (read_excel).
skip
How many rows should be skipped? Only for text-delimited files and Excel files.