Step 1: Collect, Capture and Clean Data

Reminder of Major Initial Data Issues

These initial data steps were mostly discussed in Chapter 4 and Chapter 9, and the basics of collecting, capturing and cleaning data will not be covered in detail here. The researcher is urged to remember that getting to know your data well and ensuring it is cleaned and correct is crucial to all statistics. The following are crucial summary points:
  1. The crucial methodological design issues: The most important thing in research is to have the right sample and a correct and adequate set of variables which are put together in an appropriate model. This is also true of regression. No matter how well your model seems to fit and how strong your slopes, if the sample, ...

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