look into the date-time wizard, you can calculate with date and times. You can substract date1 from date2, and use negative dates as too late, positive dates as on time (or vice versa, dependent on which variable you select as date1 / date2 ).evato13 wrote: I have a question about testing data which are dates. I have a file with a lot of orders. These orders are placed at a certain date and in this order their is given a date on which the customer wants the delivery. Then I have a column where the data is on which the order is actually deliverd. I need to test in how many percent of these orders the devivery is on time.
Not clear what you mean here, so give more information on variables etc. to answer this question.I also want to split this and see differences in different groups like warehouses (which are also known in my dataset).
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