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
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