 
   
  Good afternoon!
   
  My question is more of a "is there a package for doing........?"
  If one has 2 independent studies which both independently measure a trait of a population, but both of them are constructed from 2 separate frames (which TOGETHER refer to the population of interest), is there a possibility to infer a mean, median.. for the population but taking into account all the info, resulting from the 2 studies, with a specific package in R??
   
  Example:
  "Frame A lists universities offering a PhD in statistics, and frame B lists universities offering a master's degree in statistics; the frames overlap (some universities offer both master's and PhD) and together cover all the universities offering graduate degrees in statistics" Lohr and Rao 2000. Now suppose someone wants to study a characteristic of this population but does so by taking 2 separate samples, each from its corresponding frame. What package lets me combine the info from the 2 samples for inferring something to the whole population? 
   
  Thank you and have a great day!

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