| Class | Algebraic operators and function |
| Name | num | nfound |
| Arguments |
Number of members and number of founders of the pedigree containing an individual.
Example:
>> inc volgaex.in >> set loc nmem qua Creating new variable "nmem". >> nmem=num Operating om pedigree file Recoded 77 values. >> tab ped nmem Pedigree versus "nmem": AM x: 0 13: 13 L x: 0 30: 30 SNW x: 0 34: 34 >> select num > 13 Selecting pedigrees where "num > 13": Number of pedigrees selected= 2 ( 64 individuals)num|nfound
| << (isfou) | Up to index | >> (famnum) |