In R

Follow the steps given in Machine Learning With R, Chapter 5, section "Example - Identifying Risky Bank Loans Using C5.0 Decision Trees."

https://mbsdirect.vitalsource.com/books/9781784394523/epubcfi/6/64[;vnd.vst.idref=id286773559]!/4[page]/2/2/2/2/2@0:0

Attach brief that reports the execution steps and outcomes of the C5.0 lab. In addition, the following questions will be addressed in the brief:

• Change the percentages of training and testing data to 60% and 40%, respectively. What is the effect for accuracy of the model? Can you explain the outcome?
• Use the caret package to automatically tune the trials parameter. Were you able to identify a trials parameter that increased the accuracy from previous attempts? Show your work and thesolution
• screenshots of work are acceptable for showing result outcomes.