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Data on political orientation and opinion on teenage birth control of a sample of 911 U.S. citizens.
data(polbirth)
A data frame whose columns contain:
Birthcontrol
A factor with levels: Strongly agree, Agree, Disagree, Strongly disagree
Strongly agree
Agree
Disagree
Strongly disagree
Freq
A numeric vector of frequencies
This is a sub-data frame obtained by marginalizing the data frame `relpolbirth' with respect to the variable religion.
Bergsma W, Croon M, Hagenaars JA (2009) Marginal Models for Dependent, Clustered, and Longitudinal Categorical Data. Springer.
# NOT RUN { data(polbirth) # }
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