More specifically, the results hinge on two key steps: (1) the ability of Catalist to combine many disparate data sources to produce an accurate master datafile and (2) the ability of Catalist to link the survey data to its master datafile.
Ngini ngokuqondile, imiphumela lomnyango on izinyathelo ezimbili ezibalulekile: 1) ikhono Catalist ukuhlanganisa abaningi disparate imithombo idatha ikhiqiza olunembile master datafile kanye 2) ikhono Catalist ukuze ukuxhumanisa idatha ucwaningo master yayo datafile.