questionr (version 0.7.8)

cprop: Column percentages of a two-way frequency table.

Description

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

Usage

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

Value

The result is an object of class table and proptab.

Arguments

tab

frequency table

...

parameters passed to other methods.

digits

number of digits to display

total

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

See Also

rprop, prop, table, prop.table

Examples

## Sample table
data(Titanic)
tab <- apply(Titanic, c(4,1), sum)
## Column percentages
cprop(tab)
## Column percentages with custom display
cprop(tab, digits=2, percent=TRUE, total=FALSE)