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normalize: Normalize Weights
Description
Normalize weights to sum to one within each stratum.
Usage
normalize(wts, strata)
Arguments
wts
A vector of non-negative weights. At least one of the weights in each stratum must be strictly positive.
strata
A vector of the same length as
wts
defining the strata. It should be a vector of integers or a factor with integer levels.
Value
A vector of the same length as
wts
such that the sum of the output values within each stratum is 1.