Recent content by giordano

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    Systematic component variation

    The appendix of the paper of [McPherson et al (1982) contains a derivation of the systematic component variation SCV. I understand the derivation with exception of the first step. Here are the premisses: O_i: observed cases in region i E_i: expected cases in region i \lambda_i...
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    Hierarchical regression with partially nested variables

    I would like to do a logistic regression of vaccination coverage of, for example, HPV. Let's assume that we have 50 states (S). 30 states have an urban part and a country part (urbanity variable U). The other 20 have only a country area. 10 of the states have population areas where individuals...