F_informationloss {gdverse} | R Documentation |
measure information loss by information entropy
Description
Function for measure information loss by shannon information entropy.
Usage
F_informationloss(xvar, xdisc)
Arguments
xvar |
The original undiscretized vector. |
xdisc |
The discretized vector. |
Details
The information loss measured by information entropy formula is
F = -\sum\limits_{i=1}^N p_{(i)}\log_2 p_{(i)} - \left(-\sum\limits_{h=1}^L p_{(h)}\log_2 p_{(h)}\right)
Value
A numeric value of information loss measured by information entropy.
Author(s)
Wenbo Lv lyu.geosocial@gmail.com
Examples
F_informationloss(1:7,c('x',rep('y',3),rep('z',3)))
[Package gdverse version 1.0.0 Index]