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The kidiq data stems from the National Longitudinal Survey of Youth and is used in Gelman and Hill (2007). The data set contains 434 observations measured on five variables, and is obtained from https://github.com/jknowles/BDAexampleR.

Format

A data.frame with 434 rows and 5 columns

kid_score

Child's IQ score (continuous)

mom_hs

Whether the mother obtained a high school degree (binary)

mom_iq

Mother's IQ score (continuous)

mom_work

Whether the mother worked in the first three years of the child's life (1: not in the first three years; 2: in the second or third year; 3: parttime in the first year; 4: fulltime in the first year)

mom_age

Mother's age (continuous)