pubh (version 1.1.16)

Brenner: Prevalence of Helicobacter pylori infection in preschool children.

Description

A data set containing the prevalence of Helicobacter pylori infection in preschool children according to parental history of duodenal or gastric ulcer.

Usage

Brenner

Format

A labelled tibble with 863 rows and 2 variables:

ulcer

History of duodenal or gastric ulcer, factor with levels "No" and "Yes".

infected

Infected with Helicobacter pylori, factor with levels "No" and "Yes".

Examples

# NOT RUN {
data(Brenner)

Brenner %>%
  cross_tab(infected ~ ulcer)

contingency(infected ~ ulcer, data = Brenner, method = "cross.sectional")
# }