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The Oxboys data frame has 234 rows and 4 columns.
Oxboys
This data frame contains the following columns:
an ordered factor giving a unique identifier for each boy in the experiment
a numeric vector giving the standardized age (dimensionless)
a numeric vector giving the height of the boy (cm)
an ordered factor - the result of converting age from a continuous variable to a count so these slightly unbalanced data can be analyzed as balanced.
age
These data are described in Goldstein (1987) as data on the height of a selection of boys from Oxford, England versus a standardized age.
# NOT RUN { data(Oxboys) # }
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