Penalva's Data Portfolio
Hi ! my name is Daniel Penalva, welcome to my Data Portfolio. Data Analytics, Data Engineering and Data Science are the new hot jobs for an ever growing demand for work on data for business insights and values.
Iam excited to share my skills and also demonstrate them to you, currently i can fill the Data Analytics and Data Science roles, but iam recently adding new Data Engineering skills, so soon i will be having proficiency to exercise this role too.
Feel free to get in touch if you find interesting.
Data Portfolio
Customer Segmentation
The (ficticious) enterprise All-in-One need to know which customers are giving more revenue, what are the groups of consume and their indicators. This project aims to clustering clients with purpose of offering fidelity program.
Rossmann Sales
Rossmann operates over 3,000 drug stores in 7 European countries. Currently, Rossmann store managers are tasked with predicting their daily sales for up to six weeks in advance.
Insurance Cross-Sell
The business model of insurance enterprise have clients which can be offered an extra product in a modality of business called Cross Sell. Here our project predict the customer with highest probability of having interest in the product, so the business squad can have this as decision parameter on which clients of the client base to offer the new product.
Hackday: Africa Financial Inclusion
Prediction of bank inclusion in african countries with socio-demographic data and Random Forest algorithm
Skills
Programming Languages
Python for Data Science, SQL, Database SQLite Postgres
Algorithms
Regression, Classification, Time Series Analysis, Clustering, Learn to Rank and Bayesian Analysis
Data Wrangling
Balancing, Resampling, Feature Selection, Dimensionality Reduction and Embedding Spaces
Metrics
RMSE, MAE, MAPE, Confusion Matrix, Precision, Recall, ROC, AUC, Gain and Lift Curves, Silhouette Score
Data Visualization
Matplotlib, Seaborn, Metabase, Streamlit
Methodology
Cyclic Method CRISP, Scrum