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  1. K

    [Relation of daily sales] Chi-Square, T-Test or Correlation?

    Hello, Which to use to test whether Monday sales and sales on the other days of the week are independent from each other. Case: A promotion offered on Mondays this year, so I want to "test" if the customers are trading off. The idea is to check the relation of weekdays last year and this...
  2. K

    Cumulative Sumation

    Hello, I want to calculate cumulative sum of a column. To calculate column B via A A B 5 5 10 15 5 20 10 30 20 50 5 55 10 65 What would be the easiest way in SAS?