Hi, I am new to the SAS software. Please do help with this relatively easy question. I want to run a regression using data from only specific rows in my file. My data is arranged by date. See a sample of my file below: date aa gg kk 1990-01-02 11 21 34 1990-01-04 34 45 56 1990-01-07 86 5 67 1990-01-09 5 78 89 1990-01-11 6 6 87 1990-01-14 6 6 67 1990-01-17 66 6 67 1990-01-22 6 44 51 1990-01-25 35 34 45 1990-01-27 67 86 5 I want to run my regression using data starting from the 4th row (1990-01-07).
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