epitable: Cross tabulation ( 2by2 table).

In gdesve/epifield: Functions for field epidemio

Description

epitable Display a cross tabulation of two variables optionnaly with row or col percentages. Chi Square with associated p.value are calculated. If table contain binary variable, then epiorder function is apply on the two variable to get a resulting table compatible with usual epidemiology interpretation. 0/1 variables are transformed into Yes/No and Yes is displayed before No Exposed Cases appear on upper left part of the table.

Usage

epitable(out, exp, missing = FALSE, row = FALSE, col = FALSE, fisher = TRUE)

Arguments

out	"Outcome" as numbers, factors or text
exp	"Exposure" as numbers, factors or text. short syntax is available see help(epifield)
missing	Boolean if FALSE, missing are not included in the table. A summary output of number of missing values is added at the end
row	"Row percentages"
col	"Col percentages"
fisher	TRUE by default, display the fisher exact probability. If table is larger than 2*2 then Fisher is not calculated

Value

An array containing values of ...

Author(s)

Gilles Desve

References

Based on: Epi6 and Stata functionnality, available at https://github.com/.

See Also

freq for frequency distributions

Examples

#' epitable(c(1,1,2,2,1),c(3,3,4,4,4))

gdesve/epifield documentation built on Jan. 23, 2022, 10:03 a.m.