$partialdiff sub S$ [ MGAP CPT target_date ]
| L | grid: /L (months) ordered (3.0 months) to (4.0 months) N= 2 pts :grid |
|---|---|
| S | grid: /S (months since 1960-01-01) ordered [ (16 Sep 2012 - 15 Oct 2012) (16 Oct 2012 - 30 Mar 2013) (1 Apr 2013 - 15 Sep 2013) (16 Sep 2013 - 15 Oct 2013)] :grid |
