Column percentages of a two-way frequency table.

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

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, ...)

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.

Value

The result is an object of class table and proptab.

See also

rprop, prop, table, prop.table

Examples

## Sample table
data(Titanic)
tab <- apply(Titanic, c(4,1), sum)
## Column percentages
cprop(tab)
#>         Class
#> Survived 1st   2nd   3rd   Crew  All  
#>    No     37.5  58.6  74.8  76.0  67.7
#>    Yes    62.5  41.4  25.2  24.0  32.3
#>    Total 100.0 100.0 100.0 100.0 100.0
## Column percentages with custom display
cprop(tab, digits=2, percent=TRUE, total=FALSE)
#>         Class
#> Survived 1st    2nd    3rd    Crew  
#>      No  37.54% 58.60% 74.79% 76.05%
#>      Yes 62.46% 41.40% 25.21% 23.95%