clean up
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# deaths, migration) correlated with CA row
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# deaths, migration) correlated with CA row
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# scores post-hoc
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# scores post-hoc
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#
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#
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# Why restrict active variables to person-counts?
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# CA chi-square distance has a clean compositional interpretation only when
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# all active columns measure the same type of unit. When counts of persons,
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# dwellings, farms, and vehicles share a row, the row total is meaningless
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# and chi-square distance becomes a weighted average of incompatible profiles.
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# Restricting active columns to person-counts ensures that chi-square distance
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# directly compares "what fraction of the population has attribute X?" across
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# municipalities, independently of population size.
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#
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# Outputs:
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# Outputs:
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# data/processed/ca_exploratory.rds - CA result (FactoMineR object)
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# data/processed/ca_exploratory.rds - CA result (FactoMineR object)
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# data/processed/ca_var_groups.rds - variable group lists
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# data/processed/ca_var_groups.rds - variable group lists
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