Lag (DMX)

Returns the time slice between the date of the current case and the last date of the training set.



Return Type

A scalar value of the type integer.


If the Lag function is used on a model where the KEY TIME column is located within a nested table, the function must be located within the sub-select of the statement.


The following example returns cases that fall within the last 12 months of the data that was used to train the model.

SELECT * FROM [Forecasting].CASES
WHERE Lag() < 12