Dear all,
this is to announce that a new version of*SamplingStrata*
is available on CRAN.*SamplingStrata* is a package for the
optimization of stratified sample design. This new version (the
1.5) contains a lot of news. In particular:
- there is now the possibility to cover also*spatial sampling*,
whenever the units in sampling frame are geo-referenced (method =
"spatial" in*optimStrata *function);
- the use of the function*optimStrata *(a wrapper that call different
optimization functions) greatly simplifies the handling of*takeall *
strata;
- when models are used in order to take into account the*anticipated variance*
of target variables, a new function (computeGamma)
permits to evaluate*heteroscedasticity* in order to
correctly calculate the overall variance in strata.
A*cheatsheet* is available in the /docs/inst directory.
You can find the whole documentation at
https://barcaroli.github.io/SamplingStrata/
Best regards,
Giulio Barcaroli
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