The WEIGHT statement specifies a numeric variable that contains a weight for each observation. The variable is used in the computation of means, standard deviation, skewness, and kurtosis. 
            
            
               
               
                  
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                                      variable
                                      
                                    
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                        represents how the observation should be weighted in statistical calculations. For observations where variable is 0 or missing, the observation is still included in the CLASSOUT data set but the value is not used in statistical calculations.