Cross Validation using caret package in R for Machine Learning Classification & Regression Training

1. Download cross validation using caret for machine learning classification and regression training example codes: drive.google.c...
2. Download source data T2DRecords.csv link: drive.google.c...
3. In caret package, if you meet "Error: package e1071 is required", simply execute the install.packages("e1071") to install the missing package.
4. Use as.factor and levels to transform numeric values into factors with different levels (Starting from 6:20 in the video).
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