METHODS AND APPARATUS TO DETERMINE WEIGHTS FOR PANELISTS IN LARGE SCALE PROBLEMS
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United States of America Patent
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Feb 18, 2021
app pub date -
Nov 2, 2020
filing date -
Sep 25, 2015
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Methods and apparatus to solve for a minimum variance solution for a constrained weight problem in a scalable and memory efficient manner are disclosed. An example instructions cause a machine to at least store a constraint matrix and a population matrix into a memory, the constraint matrix representing demographics associated with a plurality of panelists in a population, the population matrix representing second demographics of the population; determine a linear system based on a set of constraints including the constraint matrix and the population matrix; determine a solution to the linear system by determining an inverse of a first matrix of the linear system; and output a resultant set of weights based on the solution, the resultant set of weights satisfying the set of constraints.
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