StatPac needs two types of files. One is a
data file and the other is a codebook. The codebook
provides labeling for the items in the data file.
If you plan to import data from Excel or a csv file, StatPac will
create a "bare-bones" codebook for you.
How to import a data file.
If you plan to collect data using an Internet, email, or paper
survey, your first step will be to create a codebook. The
codebook defines the questions and response choices.