Frequency table for categorical variables

Retrieves the frequency and percentage for input

freq(data, input = NA, plot = TRUE, na.rm = FALSE, path_out)

Arguments

data	input data containing the variable to describe
input	string input variable (if empty, it runs for all numeric variable), it can take a single character value or a character vector.
plot	flag indicating if the plot is desired, TRUE by default
na.rm	flag indicating if NA values must be included in the analysis, FALSE by default
path_out	path directory, if it has a value the plot is saved

Value

vector with the values scaled into the 0 to 1 range

Examples

freq(data=heart_disease$thal)
#>    var frequency percentage cumulative_perc
#> 1    3       166      54.79           54.79
#> 2    7       117      38.61           93.40
#> 3    6        18       5.94           99.34
#> 4 <NA>         2       0.66          100.00
freq(data=heart_disease, input = c('thal','chest_pain'))
#>   thal frequency percentage cumulative_perc
#> 1    3       166      54.79           54.79
#> 2    7       117      38.61           93.40
#> 3    6        18       5.94           99.34
#> 4 <NA>         2       0.66          100.00
#> 
#>   chest_pain frequency percentage cumulative_perc
#> 1          4       144      47.52           47.52
#> 2          3        86      28.38           75.90
#> 3          2        50      16.50           92.40
#> 4          1        23       7.59          100.00
#> 
#> [1] "Variables processed: thal, chest_pain"