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preprocessing-data

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For this project, I preprocessed employee data sourced from three Excel files hosted on Tableau Public: "Employee names," "Employee data," and "Employee travel responses." This dataset encompasses employee IDs, names, hire dates, travel survey responses, and other relevant information. The source files and the final processed data are attached.

  • Updated Feb 28, 2025

Este projeto explora dados de desempenho estudantil utilizando tecnologias modernas de análise de dados. Através de consultas SQL na AWS Athena e visualizações no Power BI, investigamos fatores que influenciam o desempenho acadêmico de alunos de Matemática e Português.

  • Updated Jul 11, 2025
  • Jupyter Notebook

This project of recognizing digit and converting it to text uses Signal processing techniques such as MFCC and other Advanced Signal Processing techniques for the preprocessing of the data. Then the Preprocessed data is used by the Neural Network algorithms to learn the pattern or structure of the sound.

  • Updated Dec 17, 2020
  • Jupyter Notebook

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