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Chapter 2
Sampling Wizard: Output Variables
Figure 2-6
Sampling Wizard, Output Variables step
This step allows you to choose variables to save when the sample is drawn.
Populationsize. The estimated number of units in the population for a given stage. The rootname
for the saved variable is PopulationSize_.
Sampleproportion. The sampling rate at a given stage. The rootname for the saved variable is
SamplingRate_.
Samplesize. The number of units drawn at a given stage. The rootname for the saved variable
is SampleSize_.
Sampleweight. The inverse of the inclusion probabilities. The rootname for the saved variable is
SampleWeight_.
Some stagewise variables are generated automatically. These include:
Inclusionprobabilities. The proportionof units drawn at a given stage. Therootname for the saved
variable is InclusionProbability_.
Cumulative weight. The cumulative sample weigh t over stages previous to and including the
current one. The rootname for the saved variable is SampleWeightCumulative_.