Análisis del mercado laboral junior en el sector data basado principalmente en SQL y ofertas reales de empleo. Se estudian rangos salariales, demanda tecnológica, tendencias de mercado y problemas de calidad de datos. Proyecto educativo con apoyo de IA.
End-to-end sales data analysis project using R for data cleaning and Power BI for interactive dashboard and business insights.
Análisis de ventas semanales de Walmart 2012 mediante Excel: limpieza de datos, tablas dinámicas, KPIs de eficiencia por m2 y dashboard interactivo.
Aspiring Data Analyst | Google-certified | Passionate about turning data into insights
A comprehensive R analysis to optimize inventory and identify high-value/at-risk customers for a medical distributor
Android-приложение для учета и аналитики показателей фермерского хозяйства (на данный момент — расчет рентабельности содержания кур-несушек 🐔).
Análise de clientes utilizando SQL com dados reais do e-commerce Olist, explorando comportamento de compra, receita, ticket médio e clientes recorrentes através de consultas analíticas.
Germany trade balance analysis using World Bank macroeconomic data with time-series visualization and regression modeling.
SQL-based CRM system project using BigQuery
RFM customer segmentation on 496 e-commerce orders (₹14.28 Cr revenue) to allocate a ₹15L Q3 re-engagement budget across 6 tiers. Python · Power BI · DAX. End-to-end portfolio project.
I have been working on a Junior Data Analyst vacancy and received over 2,000 applications. To speed up the screening process and better assess candidates’ SQL capabilities, we introduced a technical take-home challenge as an initial step, prior to any verbal contact with the hiring team.
Cheatsheet interactivo de SQL para analistas de datos: sintaxis, ejemplos copiables y diagramas visuales de 22 cláusulas y funciones, desde SELECT hasta Window Functions y CTEs.
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