The integration of additional available information on auxiliary variables at the estimation stage in survey sampling has been thoroughly discussed. To investigate précised estimators of the ...
The non-Gaussian characteristic of the external disturbance poses a great challenge for system modeling and identification. This paper develops a robust recursive estimation algorithm for the ...
A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...
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