Data for Example 8.3
Politic
A data frame/tibble with 250 observations on two variables
a factor with levels republican
, democrat
, and other
a factor with levels female
and male
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
T1 <- xtabs(~party + gender, data = Politic)
T1
#> gender
#> party female male
#> democrat 49 55
#> other 6 3
#> republican 64 73
chisq.test(T1)
#> Warning: Chi-squared approximation may be incorrect
#>
#> Pearson's Chi-squared test
#>
#> data: T1
#> X-squared = 1.3645, df = 2, p-value = 0.5055
#>
rm(T1)