From the Data preview view in the analysis editor, click
Select indicators to open the Indicator
Selection dialog box.
Click in the cells next to indicators names to set indicator parameters for the
analyzed columns and click OK.
You want to see the row, blank and duplicate counts in all columns to see how consistent the data is. Also you want to use the Pattern Frequency Table indicator on the email and postal columns in order to compute the number of most frequent records for each distinct pattern or value.
Indicators are added accordingly to the columns in the Analyzed Columns view.
Click the option icon next to the Blank Count
indicator and set 0 in the Upper
Defining thresholds on indicators is very helpful as it will write in red the count of the null values in the analysis results.