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Cross Tabulation

crosstab.Rd

Performs a cross-tabulation of two variables in a dataframe.

Usage

crosstab(df, var1, var2)

Arguments

df

A dataframe.

var1

A character with the name of the first variable .

var2

A character with the name of the second variable.

Value

A cross-tabulation table with the following properties:

  • The first column has the name of var1 and all values of var1 in df.

  • The other columns has as names all the values of var2 in df.

  • The cell (i, j) has the absolute frequency of the combination of values.

Examples

crosstab(mtcars, "gear", "carb")
#> # A tibble: 6 × 4
#>    carb   `3`   `4`   `5`
#>   <dbl> <int> <int> <int>
#> 1     1     3     4    NA
#> 2     2     4     4     2
#> 3     3     3    NA    NA
#> 4     4     5     4     1
#> 5     6    NA    NA     1
#> 6     8    NA    NA     1