Moisés (Joel) O.
Customer Churn Prediction (Machine Learning)
Experience
Jan 2025 - Dec 2025
1 yearCustomer Churn Prediction (Machine Learning)
- Built a classification model using Random Forest to predict customer churn for a telecom company.
- Achieved 88% accuracy through data preprocessing, feature engineering, and model optimization.
- Tools: Python, Scikit-learn, Pandas, NumPy
Jan 2025 - Dec 2025
1 yearGlobal CO₂ Emissions Analysis
- Analyzed global emission trends and correlations between GDP, population growth, and CO₂ output.
- Produced interactive data visualizations for public communication and decision support.
- Tools: Python, Pandas, Seaborn, Plotly
Jan 2025 - Dec 2025
1 yearChile
IPC Value Estimation and Economic Trend Analysis (Chile)
- Performed time-series forecasting to estimate Chile’s Consumer Price Index (CPI).
- Used regression and moving-average models to predict inflation trends and visualize historical and projected economic fluctuations.
- Tools: Python, Statsmodels, Pandas, Seaborn
Jan 2025 - Dec 2025
1 yearChile
Seismic Risk Analysis in Chile
- Developed a data-driven model to assess earthquake risk patterns across Chilean regions using geospatial and historical seismic data.
- Applied statistical modeling and visualization techniques to identify high-risk zones and temporal frequency patterns.
- Tools: Python, Pandas, NumPy, Matplotlib, GeoPandas
Jan 2025 - Dec 2025
1 yearStatistical Demonstration of Bayes’ Theorem Limitations
- Created simulations to illustrate common statistical pitfalls and real-world limitations of Bayes’ Rule in uncertain or imbalanced data scenarios.
- Compared posterior probabilities under different prior assumptions, emphasizing the importance of context in probabilistic reasoning.
- Tools: Python, NumPy, Matplotlib, SciPy
Summary
Motivated and detail-oriented Data Analyst with a solid foundation in data science, statistics, and machine learning.
Certified by Google and IBM through Coursera programs, with hands-on experience building real-world projects in Python, SQL, and data visualization.
Passionate about transforming complex datasets into actionable insights.
Eager to contribute analytical and problem-solving skills to innovative teams.
Languages
Spanish
NativeGerman
IntermediateEnglish
IntermediatePortuguese
IntermediateCertifications & licenses
Data Analytics Professional Certificate
Data Science Professional Certificate
IBM
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
Gabriel F.
Sr. Data Science
View Profile
Philipp G.
Building a Modern Compensation System
View Profile
Marcos S.
Firmware/Hardware/Software Architect
View Profile
Johannes R.
Supervision of student thesis Adrian Bohnert; Blockchain and Smart Contracts
View Profile
Friedbert W.
Data Analyst / Business Analyst
View Profile
Stephan S.
Senior Data/ML Consultant & Technical Lead
View Profile
Alexandre S.
Cloud Software Engineer
View Profile
Felix B.
Machine status detection in industrial 3D printing based on infrared image data
View Profile
Eduard V.
Tech Lead Customer Base Documentation Automation
View Profile
Dany D.
Data Scientist/ Statistician
View Profile
Ursula M.
Data Scientist & AI Engineer & AI Architect
View Profile
Raghu R.
Simulation Engineer, Project Leader
View Profile
Rolf C.
Lecturer on Data
View Profile
Nino S.
Freelancer in Data Science
View Profile
Adrian C.
Senior Consultant
View Profile
Jürgen F.
AR/VR/XR Architect
View Profile
Jens D.
Product Owner & Senior Data Scientist
View Profile
Stylianos I.
AI Engineer
View Profile
Michael B.
Product Analytics Consultant - Trust & Safety
View Profile
Martin M.
Freelance Data Architect
View Profile
Sanjay J.
NLP Engineer
View Profile
Dmitriy D.
Freelance Data Scientist
View Profile
Diana P.
Research Scientist
View Profile
Robert K.
IT Consultant
View Profile
Shyam S.
Data Scientist
View Profile
Christian S.
Data-Science/Data-Engineering/AI-Engineering Expert
View Profile
Manuel P.
AI Solution Architect
View Profile
Aravind P.
AI – Data Specialist
View Profile
Thomas U.
Corporate Reporting
View Profile
Raphael M.
Founder / Quant Developer
View Profile
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.