Course
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Lecturers: Michela Battauz, Valentina Mameli (University of Udine)
Board Contact: Valentina Mameli
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SSD: SECS-S/01
CFU: 5 CFU + assignment: 2 CFU
Period: January 2024
Lessons / Hours: 10 lectures, 20 hours
Program:
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INTRODUCTION TO R
- Introduction to R
- Explorative data analysis
- Examples of hypothesis test: Student T-test, Two-sample independent T-test, Paired Samples T-test, Chi-square test.
DATA PREPROCESSING
- Missing data
- Principal component analysis
- Cluster analysis: Hierarchical clustering, Partitive clustering (K-Means)
VARIABLE SELECTION
- Classical approaches: best subset selection, forward selection, backward elimination, stepwise regression.
- Modern approaches: shrinkage methods (ridge, lasso), boosting.
MODEL EVALUATION
- Information criteria
- Cross-validation
ANALYSIS OF VARIANCE
All lectures will be supplemented by practical examples carried out using the R software.
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Verification: Assignment
Prerequisites: Inferential statistics (estimation, confidence intervals, testing, likelihood methods), multivariate regression model