rts are made from the data collection systems. You may also detect errors in the import routines during the analyses, or peer reviewers may request information that can only be found by going back to the raw data. In all these cases, the availability of ready-to-run raw data import routines is crucial.</p>
<p>The code snippet below illustrates the kind of data transformations that you can expect to find in an import script. With a few lines of code, raw baseline questionnaire data are imported into R, parti