OptimStrat is a package intended to assist in the choice of the sample strategy to implement in a survey. It allows for calculating the variance and the expected variance of several sampling strategies.
The package includes a function to calculate the design variance of several sampling strategies. It also includes a function to calculate the expected variance under a superpopuation model and a web-based application where the user can compare five sampling strategies in order to determine which one to implement in a survey.
Bueno, E. (2018). A Comparison of Stratified Simple Random Sampling and Probability Proporional-to-size Sampling. Research Report, Department of Statistics, Stockholm University 2018:6. http://gauss.stat.su.se/rr/RR2018_6.pdf.
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