profit {modelimpact}

Calculate profit

Description

Calculates profit after sorting observations.

Usage

profit(
  x,
  fixed_cost = 0,
  var_cost = 0,
  tp_val = 0,
  prob_col = NA,
  truth_col = NA
)

Arguments

x

A data frame containing predicted probabilities of a target event and the actual outcome/class.

fixed_cost

Fixed cost (e.g. of a campaign)

var_cost

Variable cost (e.g. discount offered)

tp_val

The average value of a True Positive

prob_col

The unquoted name of the column with probabilities of the event of interest.

truth_col

The unquoted name of the column with the actual outcome/class. Possible values are 'Yes' and 'No'.

Value

A data frame with the following columns:

row = row numbers
pct = percentiles
profit = profit for number of rows selected

Examples

profit(predictions,
     fixed_cost = 1000,
     var_cost   = 100,
     tp_val     = 2000,
     prob_col   = Yes,
     truth_col  = Churn)