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Read the complete challenge proposal [here](technical_challenge_proposal.md).\n\n## 📊 About\n\nSolution developed for a technical assessment that prepared educational data. The project processed data from:\n- Student profiles (2021-2022)\n- School information (2021-2022)\n- São Paulo city only\n\n## 🛠️ Technical Stack\n\n- Python\n- Pandas\n- SQLite\n- Google Sheets\n\n## 🔄 Data Pipeline\n\n1. **Quality Check**\n   - Analyzed data quality in CSV files\n   - Used Python, Pandas and Google Sheets\n\n2. **Header Validation**\n   - Developed a [Python script](data_preparation/scripts/compare_delimited_file_headers) to validate file headers\n   - Compared against data dictionaries\n\n3. **Manual Corrections**\n   - Fixed field names\n   - Adjusted column positions\n   - Removed empty or invalid columns\n\n4. **Data Preparation**\n   - Created a [Python script](data_preparation/scripts/datasets_to_sqlite) for data cleaning\n   - Prepared data for SQLite storage\n\n5. **Database Creation**\n   - Created [SQLite database](sqlite_db) with tables:\n     - `educandos`: Student profiles (2021-2022)\n     - `escolas`: Municipal schools data (2021-2022)\n     - `escolas_educandos`: Relationship between schools and students\n\n## 📈 Analysis Opportunities\n\nThe prepared database enabled various analyses for sales planning:\n\n1. **Demographics**: Student distribution by race, gender, and age\n   - Helped understand customer diversity\n   - Guided product development\n\n2. **Special Education**: Distribution of students with special needs\n   - Identified opportunities for specialized products\n   - Supported inclusive product planning\n\n3. **Trends**: Year-over-year comparison (2021-2022)\n   - Helped predict future demand\n   - Guided inventory planning\n\n4. **School Clusters**: Groups of schools by characteristics\n   - Location-based analysis\n   - Size-based segmentation\n\n5. **Market Segments**: Identified distinct customer groups\n   - Customized product strategies\n   - Targeted marketing approaches\n\n---\n\n*Note: This project was developed as part of a technical assessment for a Junior Analytics Engineer position. Some details have been modified to maintain confidentiality.*\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvictor-antoniassi%2Fjunior_analytics_engineer_test_01","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvictor-antoniassi%2Fjunior_analytics_engineer_test_01","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvictor-antoniassi%2Fjunior_analytics_engineer_test_01/lists"}