Why is it that I cannot find Avg in Filter Statistics?
If you do not see Avg there, you probably see Proportion. The reason is TranStats supports analysis of two types of dependent variables: continuous and dichotomous. For continuous variables, such as dollar amount and ton-miles, you will see Sum, Avg, Min, and Max. Dichotomous variables are those that have values of 1 and 0 (yes and no). When such variables are used as dependent variable, TranStats provides Sum and Proportion. For a variable that indicates whether a flight is delayed, Sum counts the number of delayed flights while Proportion gives the percentage of flights delayed. As with other statistics, check the field description before interpreting what is presented in the table.
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