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The REG Procedure |
Values of the weight variable must be nonnegative. If an observation's weight is zero, the observation is deleted from the analysis. If a weight is negative or missing, it is set to zero, and the observation is excluded from the analysis. A more complete description of the WEIGHT statement can be found in Chapter 30, "The GLM Procedure."
Observation weights can be changed interactively with the REWEIGHT statement; see the section "REWEIGHT Statement".
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