 Single Column Analyses (Exercise 3)
Set the threshold for Null, Duplicate and Blank indicators to 0 (min and max).Now, if these values are not correct, a warning will be displayed in the analysis results:column1: free-form text which seems to represent the duration (in minutes) and the offer name (blocked, simplicity, online)column2: single character (most of the time a digit). Using the same method as for the duration column in the crm catalog, find the valid values for column2
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