get_IV

Provides an efficient suite of R tools for scorecard modeling, analysis, and visualization.
Including equal frequency binning, equidistant binning,
K-means binning, chi-square binning, decision tree binning, data screening, manual parameter modeling,
fully automatic generation of scorecards, etc.
This package is designed to make scorecard development easier and faster.
References include:
1. <http://shichen.name/posts/>.
2. Dong-feng Li(Peking University),Class PPT.
3. <https://zhuanlan.zhihu.com/p/389710022>.
4. <https://www.zhangshengrong.com/p/281oqR9JNw/>.

Tai-Sen Zheng

autoScorecard

Fully Automatic Generation of Scorecards

get_IV function

<dl><dt>df</dt>
<dd>A data.frame with independent variables and target variable.</dd>
<dt>feat</dt>
<dd>A name of dependent variable.</dd>
<dt>label</dt>
<dd>A name of target variable.</dd>
<dt>E</dt>
<dd>Constant, should be set to [0,1], used to prevent calculation overflow due to no data in binning.</dd>
<dt>woeInf.rep</dt>
<dd>Woe replaces the constant, and when woe is positive or negative infinity, it is replaced by a constant.</dd></dl>

Arguments

Function to Calculate IV Value — get_IV

<dl>

<dt>df</dt>
<dd>A data.frame with independent variables and target variable.</dd>


<dt>feat</dt>
<dd>A name of dependent variable.</dd>


<dt>label</dt>
<dd>A name of target variable.</dd>


<dt>E</dt>
<dd>Constant, should be set to [0,1], used to prevent calculation overflow due to no data in binning.</dd>


<dt>woeInf.rep</dt>
<dd>Woe replaces the constant, and when woe is positive or negative infinity, it is replaced by a constant.</dd>

</dl>

get_IV: Function to Calculate IV Value

Description

Usage

Value

Arguments

Examples