Summary

This chapter focused on understanding your data. You learned about the different options available in the Data Audit node. You also learned how to look over the results of the Data Audit node to get a better feel for your data and to identify potential problems your data may have. Finally, you were introduced to the topic of missing data, and several ways to address this issue were discussed.

In the next chapter, we will begin to fix some of the problems that we found in the data. Specifically, we will use the Select node to choose the appropriate sample for our analysis. We will also use the Reclassify node to modify fields so that the distributions are appropriate for modeling. We will also use other nodes to rectify other concerns.