search for: countf2129

..... I would like o have two additional columns: 1. “countF20”: a “countvariable” that shows which in order (by date) the id has if it fulfils the following logical expression: dg1 = F20* OR dg2 = F20*, where * means F201,F202... F2001,F2002...F20001,F20002... 2. “countF2129”: another “countvariable” that shows which in order (by date) the id has if it fulfils the following logical expression: dg1 = F21*-F29* OR dg2 = F21*-F29*, where F21*-F29* means F21*, F22*...F29* and where * means F211,F212... F2101,F2102...F21001,F21002... ... so th...