ivo.table (version 0.7.1)

ivo_table_add_mask: Add masking (censoring) to a table

Description

Table masking using cell counts.

Usage

ivo_table_add_mask(df, cell = 5)

Value

A data frame with masked cell counts.

Arguments

df

A data frame containing a column called "Freq", e.g. a frequency table created using ftable(exclude=NULL) |> data.frame().

cell

The cell count at which masking should be used. Cell counts between 1 and this number will be masked. The default is 5.

Author

Måns Thulin

Details

Masking is used to prevent the distribution of tables where individuals could be identified.

See Also

ivo_table_masked for masked tables.

Examples

library(dplyr)
example_data <- data.frame(Year = sample(2020:2023, 50, replace = TRUE),
A = sample(c("Type 1", "Type 2"), 50, replace = TRUE),
B = sample(c("Apples", "Oranges", "Bananas"), 50, replace = TRUE),
C = sample(c("Swedish", "Norwegian", "Chilean"), 50, replace = TRUE))
# With masking limit set at 7:
example_data |> select(Year, A) |>
  ftable(exclude=NULL) |>
  data.frame() |>
  ivo_table_add_mask(cell = 7)