questionr (version 0.6.3)

prop: Global percentages of a two-way frequency table.

Description

Return the percentages of a two-way frequency table with formatting and printing options.

Usage

prop(tab, ...)
prop_table(tab, digits = 1, total = TRUE, percent = FALSE, drop = TRUE,
  n = FALSE, ...)
# S3 method for data.frame
prop(tab, digits = 1, total = TRUE, percent = FALSE,
  drop = TRUE, n = FALSE, ...)
# S3 method for matrix
prop(tab, digits = 1, total = TRUE, percent = FALSE,
  drop = TRUE, n = FALSE, ...)
# S3 method for tabyl
prop(tab, digits = 1, total = TRUE, percent = FALSE,
  n = FALSE, ...)

Arguments

tab

frequency table

...

parameters passed to other methods

digits

number of digits to display

total

if TRUE, add a column with the sum of percentages and a row with global percentages

percent

if TRUE, add a percent sign after the values when printing

drop

if TRUE, lines or columns with a sum of zero, which would generate NaN percentages, are dropped.

n

if TRUE, display number of observations per row and per column.

Value

The result is an object of class table and proptab.

See Also

rprop, cprop, table, prop.table

Examples

# NOT RUN {
## Sample table
data(Titanic)
tab <- apply(Titanic, c(1,4), sum)
## Percentages
prop(tab)
## Percentages with custom display
prop(tab, digits=2, percent=TRUE, total=FALSE, n=TRUE)
# }