Lapsed or Dormant? Leveraging Statistical Analysis in Fundraising

Year: 1 2 3 4 5 6 7 8 9 10
Graduate 1: Y N N N N N Y N N N
Graduate 2: N N N Y Y N N N N N
Graduate 3: Y Y Y Y Y N N N N N

All three individuals are 10 years from their graduation dates but differ in the frequency and recency of their contributions. Whereas graduates 1 and 2 have both made two contributions to the annual fundraising drives and differ in regard to when their last donations occurred, graduates 2 and 3 both made their last contributions five years ago but differ in how frequently they had made donations.