Spss Offset. Offset is a variable which used in poisson regression analysis. Returns the value of field in the record offset from the current record by the value of expr.
In spss lag is a function that returns the value of a previous case it s mostly used on data with multiple rows of data per respondent. By ruben geert van den berg under spss glossary. Offset is a variable which used in poisson regression analysis.
This analysis is used whenever the data is recorded over an observed period.
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. In spss modeler there is a useful function offset to take lag and update old value and calculate again. By ruben geert van den berg under spss glossary.
