[R] using survey weights for correlations

[Steve Powell]

Dear list,
I have a data file which includes, alongside various variables representing questionnaire scores, a variable for survey weights computed as the number of observations in the sample drawn from that group divided by the number of observations in the population in the group. I need to calculate a covariance matrix of the questionnaire scores for use in sem. How do I apply the weights?
Thanks in advance,
Steve Powell

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