map_IV | R Documentation |
This is a wrapper around calculate_IV()
to loop through multiple predictors
and calculate their Weight of Evidence (WOE) and Information Value (IV) with
respect to an outcome variable.
map_IV(data, predictors = NULL, outcome, bins = 10)
data |
Data frame containing the data. |
predictors |
Character vector containing the names of the predictor
variables. If |
outcome |
String containing the name of the outcome variable. |
bins |
Numeric value representing the number of bins to use. Defaults to 10. |
The approach used mirrors the one used in Information::create_infotables()
.
A list of data frames is returned as an output. The first layer of
the list contains Tables
and Summary
:
Tables
is a list of data frames containing the WOE and cumulative sum
IV for each predictor.
Summary
is a single data frame containing the IV for all predictors.
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