| Class | Algebraic operators and function |
| Name | isfou | isnon |
| Arguments |
Indicate whether each active individual in the dataset is a founder or nonfounder of their pedigree (based on whether their parents are excluded or included in the entered pedigree data).
Example:
>> clear >> loc volgaex.in >> set loc nonfounder aff >> nonfounder = isnon >> keep nonfounder >> head ! p s n ! e e o ! d id fat mot x n ! AM 101 x x m n AM 102 x x f n AM 203 x x f n AM 201 101 102 m y AM 202 101 102 m y AM 204 101 102 m y AM 205 101 102 m y AM 206 101 102 m y AM 207 101 102 m y AM 208 101 102 m y
| << (male) | Up to index | >> (num) |