ttable: Compute the transmission contingency table

In o2ools: Tools for 'outbreaker2'

Compute the transmission contingency table

Description

Generates a contingency table based on 'from' (infector) and 'to' (infectee) vectors.

Usage

ttable(from, to, levels = NULL, ...)

Arguments

from	A vector of infectors.
to	A vector of infectees.
levels	Optional. A vector of factor levels. Defaults to the unique, sorted values of 'from' and 'to'.
...	Additional arguments passed to the table function.

Value

A contingency table of infectors (rows) and infectees (columns).

Examples

from <- c("A", "A", NA, "C", "C", "C")
to <- c("A", "B", "B", "C", "C", "C")
ttable(from, to)

o2ools documentation built on June 8, 2025, 10:18 a.m.