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Titanic Data Analysis & Visualization

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Titanic Data Analysis & Visualization

Description

This project provides a comprehensive Data Science deep-dive into the Titanic passenger dataset. Moving beyond simple correlation checks, it utilizes advanced feature engineering, interactive visualizations (Seaborn, Plotly), and predictive machine learning models to identify the underlying socio-economic and demographic factors that influenced survival rates. By analyzing missing data patterns (like the missing Cabin and Age values), the project demonstrates a robust pipeline for data cleaning and statistical inference.

Problem Statement

  1. Data Inconsistency: The Titanic dataset contains significant missing values and noise, requiring careful imputation to avoid model bias.
  2. Feature Interaction: Simple factors like "Class" or "Gender" interact in complex ways (e.g., the "Women and Children First" policy). These interactions must be mathematically modeled to truly understand survival probabilities.
  3. Static Reporting: Standard table-based reports are difficult to interpret for identifying trends in passenger demographics.

Solution

Phase 1: Exploratory Data Analysis (EDA)

Performed extensive EDA using Seaborn and Plotly to visualize the distribution of ages, fares, and cabin classes. Identified a strong correlation between P-class (Ticket Class) and survival, necessitating further investigation into socio-economic shielding during the disaster.

Phase 2: Imputation and Feature Engineering

Rather than deleting rows with missing data, the project applies mean/median imputation and creates new features, such as "Family Size" (combining SibSp and Parch) and "Title" (extracted from names), to capture latent social status.

Phase 3: Predictive Modeling

Built and compared several machine learning models (Logistic Regression, Random Forest, Decision Trees). Evaluated models using confusion matrices and ROC-AUC curves to ensure high predictive power across both the survivors and non-survivors.

Conclusion

The Titanic Analysis demonstrates the power of structured data science in uncovering historical narratives. By moving from raw numbers to predictive insights, the project provides a reusable framework for analyzing any discrete dataset involving demographic survival or classification.

Other Use Cases

  1. Insurance Risk Assessment: Predicting the likelihood of claims based on demographic and historical data to optimize premium pricing.
  2. Retail Churn Prediction: Identifying which customer segments are most likely to leave a service based on their interaction history and demographics.
  3. Public Health Analytics: Analyzing survival rates across different demographics during outbreaks to identify vulnerable populations.
  4. Credit Scoring: Building models to predict loan default probability based on socio-economic features similar to the Titanic's classification factors.
  5. Employee Retention Analysis: Identifying factors that correlate with employee turnover within large organizations.

Tech Stack

PythonPandasSeabornPlotlyScikit-learn

Developed Over

2024 - Present

Category

Data Science

About the Author

Durvesh Baharwal

Durvesh Baharwal

Full Stack AI Engineer & Data Scientist
  • Full Stack AI Engineer @ AI Alpha Tech
  • Research Associate · ISRO / SAC
  • NASA Space Apps Participant
  • B.E. AI & Data Science, MET BKC Engineering

Durvesh builds production-grade AI systems ranging from satellite navigation algorithms to computer vision pipelines. He bridges deep research with practical deployment across industries.