Free Download Indirect Sampling by Pierre Lavallée English | PDF (True) | 2007 | 256 Pages | ISBN : 0387707786 | 11.67 MB Following the classical sampling theory, the survey statistician selects samples of people, businesses or others, in order to obtain the desired information. Drawing the samples is usually done by randomly selecting from a list representing the target population. In practice, this list is often not available. At best, the statistician only has access to a different list,