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šŸ‘‹ Hi, Iā€™m Daniel Toda

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Data Science

  • Business Case: Life Safety is a health insurance company that plans to implement a cross sell strategy. For that it needs to prioritize those with higher propensity to purchase the product.
  • Solution: In this learn to rank problem, I used Gradient Boosting to classify and return a propensity score. This score was used to sort the customer base by the higher propensity to purchase and the predictions can be accessed by Google Spreadsheet
  • Results: at 20% customer base reached out, the model hit 2.89x more interested customers and reduced CAC in 35%.
  • Tools: Python, Flask, Ensemble Methods(XGBoost, Random Forest, KNN), Render Cloud, Google Scriptss
  • Business Case: A CFO of drugstore company needs to have a forecast of sales for the next six weeks, so he will know how much to invest in renovation of the stores.
  • Solution: In this time series problem, I used ensemble methods for regression tasks to predict the six weeks sales, and developed a Telegram Bot to access these predictions
  • Results: (on going)
  • Tools: Python, Flask, Ensemble Methods(XGBoost, Random Forest Regression), Render Cloud

Data Analysis

  • Business Problem: A CEO of real-state company, that consists in purchasing properties and reeseling them, asked for data team to select the best transactions that could maximize the profits
  • Solution: developed a webapp with the recomended properties(buy and sell), disposed at tables and interactive maps with the distribuition os properties
  • Results:
  • Tools: Python, Streamlit Cloud

Data Engineering

  • Business Problem: Two partners decided to enter the US fashion market, building their own e-commerce called Star Jeans but they lack of knowledge to define the product market fit.
  • Solution: Through a ETL process, the data will be scrapped from H&M e-commerce and some metrics will be presented at a dashboard to answer the business questions
  • Results: (on going)
  • Tools: Python, PowerBI, ETL

Daniel Toda's Projects

api-workshop-2 icon api-workshop-2

Criacao de uma API do workshop 2-2023 do Luciano - Eng. de dados

ml-fundamentals icon ml-fundamentals

Repository to study Machine Learning Fundamental of Data Science Community

olist icon olist

This repository contains Olist dataset that will be used for SQL and Airflow studies

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