read.codebook.isi {Read.isi} | R Documentation |
Reads ISI-formatted code-books and converts the information contained in these. This function returns a list containing the information distilled from the code-book to other functions in the read.isi package. This is basically the core-function of the read.isi package.
read.codebook.isi(input.file)
input.file |
External text file (.dct) containing ISI-formatted code-book |
Returns a list containing two items:
converted.codebook |
Contains indicators of the name of variables in the code-book ('name'), the starting position ('start') and number of positions taken by each variable in the file ('positions'), the values indicating missing values ($'missing_a' and'missing_b'$) the variable label ('variable.description'), and an indication from which variable the value labels need to be copied ('label.sub') |
converted.labels |
Contains for each value label in the code-book the name of the variable it belongs to ('name'), the value to which it is attached ('value') and the actual value labels ('label) |
Rense Nieuwenhuis (contact@rensenieuwenhuis.nl)
More information on usage and background of the development can be found on www.rensenieuwenhuis.nl/r-project/read-isi/