at least - Pacific Knowledge Systems

at least evaluates as true if a statement is true for more than or as many as some specified number of episodes.

For example, given the following case fragment,

                      05 Feb 03    06 Oct 03    07 Nov 03
HDL      [2, 5.5]        7.3*         5.6*         6.1*
LDL                      1.1          0.8          pending
Trig                     3.2                       3.6
LipidDrug                note 1                    note 3

at least 3 HDL are high

at least 1 LDL is “pending”

at least 2 LipidDrug contain “note”