Spss Offset. Returns the value of field in the record offset from the current record by the value of expr. In spss modeler there is a useful function offset to take lag and update old value and calculate again.
Here the data is measured under a pre determined period exposure rather than absolute numbers count. A positive offset refers to a record that has already passed while a negative one specifies a lookahead to a record that has yet to arrive. This analysis is used whenever the data is recorded over an observed period.
Number of customers who arrive at a restaurant in one hour number of trees in a square unit area.
Here the data is measured under a pre determined period exposure rather than absolute numbers count. This analysis is used whenever the data is recorded over an observed period. Here it comes in handy for calculating cumulative sums or counts. Number of customers who arrive at a restaurant in one hour number of trees in a square unit area.
