Israel C.

Data Science & Analytics | Python, Power BI, SQL, Excel & Tableau

I help businesses answer three practical questions with data: what happened, why it happened and what is likely to happen next. Using Python, SQL, Power BI, Excel and Tableau, I deliver clear analysis, predictive models, automated reports and interactive dashboards. You can hire me for: • Data science and machine learning: exploratory analysis, feature engineering, regression, classification, clustering, forecasting and model evaluation • Data analysis: data cleaning, validation, statistical analysis, trend analysis, segmentation and interpretation of findings • Business intelligence: Power BI and Tableau dashboards, KPI development, DAX, Power Query and data modeling • Reporting automation: Excel, Power Query and Python workflows that reduce repetitive manual work • SQL: querying, joining, transforming and preparing data for analysis and reporting • Existing solutions: reviewing, repairing and improving analytical models, reports and dashboards I bring 10 years of experience delivering data, reporting and business intelligence solutions across finance, healthcare, retail, property, operations and technology. Across more than 50 analytics and reporting projects, my work has reduced recurring reporting time by up to 40%, produced forecasts with up to 90% accuracy and improved access to reliable business information. I have maintained a 100% Job Success Score on Upwork, with client feedback highlighting my professionalism, reliability and ability to exceed project requirements. You will receive work that is accurate, clearly documented and explained in practical terms. I establish the scope and deliverables before starting and communicate clearly throughout the project. Whether you need a predictive model, detailed analysis, interactive dashboard, automated report or help making sense of a difficult dataset, send me your project brief and available data. I will assess the requirement and recommend a practical approach.