DSC723 - Flight Delays Group Project

Data Understanding & EDA

Target Construction & Leakage Removal

Data Cleaning

Encoding

Data Splitting Method 1 — Holdout (70% Train / 30% Test)

Feature Selection Method A — Variance Threshold

Model 1 — Logistic Regression

Model 2 — Decision Tree

Model 3 — Random Forest

Model 4 — Naive Bayes

Splitting Method 2 — 10-Fold Stratified Cross-Validation for Model 2 — Decision Tree

Splitting Method 2 — 10-Fold Stratified Cross-Validation for Model 5 — XGBoost

Splitting Method 2 — 10-Fold Stratified Cross-Validation for Model 2 — Decision Tree

Model 5 — XGBoost

Data Splitting Method 1 — Holdout (70% Train / 30% Test)

Model 2 — Decision Tree

Data Cleaning

Encoding

Splitting Method 2 — 10-Fold Stratified Cross-Validation for Model 2 — Decision Tree

Data Splitting Method 1 — Holdout (70% Train / 30% Test)

Model 2 — Decision Tree

Feature Selection Method A — Variance Threshold

Data Splitting Method 1 — Holdout (70% Train / 30% Test)

Splitting Method 2 — 10-Fold Stratified Cross-Validation for Model 2 — Decision Tree

Model 2 — Decision Tree

Target Construction

Feature Selection Method B — Chi-Square + Pearson Redundancy

Feature Selection Method B — Chi-Square + Pearson Redundancy