Lectures:
Chapter 4 Lecture:
http://www-users.cs.umn.edu/~kumar/dmbook/dmslides/chap4_basic_classification.pdf
PredictionErrorvsModelComplexity This chart is from the ESL text book
TreeExample.bmp Data Chart and Tree Diagram from rpart
Examples:
wd02example2.r (simple example with rpart)
The code for sonar model complexity example SonarRpartXval.R
The code for the simulated data model complexity example modelComplexityExample.R
The code for Linear Regression Example SimpleRegressionExample.R
Notes for Linear Regression notes
Working with rpart
Simple rpart example SimpleTreeTab4_8.R with data file table4_8pg199.txt
Data Files:
Here are the Data File to upload before you run the R programs:
rpart_text_example.txt sonar_test.csv sonar_train.csv test_data.csv test_data.txt exams_and_names.csv
Homework:
Resources:
John Herbach Lecture on PLANET
Web Site for 5th problem Data Description http://archive.ics.uci.edu/ml/machine-learning-databases/wine-quality/winequality.names
Red Wine Data winequality-red.txt
Hints and Notes:
To better understand R formulas help("formula") http://127.0.0.1:27898/library/stats/html/formula.html