--- title: "#data-analytics articles | Hashnode" description: "Explore 1,255 articles tagged #data-analytics on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/data-analytics" --- Tag # #data-analytics 1,255 posts · 338 followers [Study4Pass](https://hashnode.com/@study4passofficial) · [16h ago](https://hashnode.com/posts/pl-300-the-exam-that-tests-whether-your-reports-change-decisions-not-just-whether-they-look-good/6af405f098352d53d481a5d4) ### [PL-300: The Exam That Tests Whether Your Reports Change Decisions, Not Just Whether They Look Good](https://study4pass-blog.hashnode.dev/pl-300-the-exam-that-tests-whether-your-reports-change-decisions-not-just-whether-they-look-good?utm_source=hashnode&utm_medium=feed) Most people who fail PL-300 know Power BI. They can connect a data source, drag fields onto a canvas, and produce a dashboard that looks professional. What they cannot do reliably under exam pressure 8 min read · [study4pass-blog.hashnode.dev](https://study4pass-blog.hashnode.dev/pl-300-the-exam-that-tests-whether-your-reports-change-decisions-not-just-whether-they-look-good?utm_source=hashnode&utm_medium=feed) [Pranaav Karthik](https://hashnode.com/@pranaav6) · [17h ago](https://hashnode.com/posts/excel-formulas-for-data-analysis/6af3f7fc739cc82e24cdec3a) ### [Microsoft Excel for Data Analysis: Useful Formulas and Practical Examples](https://pranaavkarthik.hashnode.dev/excel-formulas-for-data-analysis?utm_source=hashnode&utm_medium=feed) If you are a student, there is a good chance your next assignment needs Excel, and a handful of formulas will cover most of it. This post uses one small sales table and walks through the formulas I fi 8 min read · [pranaavkarthik.hashnode.dev](https://pranaavkarthik.hashnode.dev/excel-formulas-for-data-analysis?utm_source=hashnode&utm_medium=feed) [Pranaav Karthik](https://hashnode.com/@pranaav6) · [17h ago](https://hashnode.com/posts/build-interactive-dashboard-python-streamlit/6af3f5416547095f6383f202) ### [How to Build an Interactive Dashboard Using Python and Streamlit](https://pranaavkarthik.hashnode.dev/build-interactive-dashboard-python-streamlit?utm_source=hashnode&utm_medium=feed) Most Python tutorials end with a chart in a Jupyter notebook. That is fine for you, but nobody else can click around in it. A dashboard fixes that. You get filters, headline numbers and charts on one 9 min read · [pranaavkarthik.hashnode.dev](https://pranaavkarthik.hashnode.dev/build-interactive-dashboard-python-streamlit?utm_source=hashnode&utm_medium=feed) [Pranaav Karthik](https://hashnode.com/@pranaav6) · [17h ago](https://hashnode.com/posts/python-sales-analytics-dashboard-streamlit-pandas/6af3f4c88b11d763b34c9bd7) ### [What I Learned Studying a Python Sales Analytics Dashboard (Streamlit + Pandas)](https://pranaavkarthik.hashnode.dev/python-sales-analytics-dashboard-streamlit-pandas?utm_source=hashnode&utm_medium=feed) A student's walkthrough of an open-source Python sales analytics dashboard: ETL, derived columns, KPIs, charts and filters, with credit to its author. 7 min read · [pranaavkarthik.hashnode.dev](https://pranaavkarthik.hashnode.dev/python-sales-analytics-dashboard-streamlit-pandas?utm_source=hashnode&utm_medium=feed) [Mahrab Khan](https://hashnode.com/@mahrab) · [1d ago](https://hashnode.com/posts/is-the-google-analytics-certification-still-worth-it-a-complete-guide-to-ga4-certification-in-2027/6af31f0ca998182dfd8f0ff1) ### [Is the Google Analytics Certification Still Worth It? A Complete Guide to GA4 Certification in 2027](https://techgreek.hashnode.dev/is-the-google-analytics-certification-still-worth-it-a-complete-guide-to-ga4-certification-in-2027?utm_source=hashnode&utm_medium=feed) When Google officially retired Universal Analytics in favor of Google Analytics 4 (GA4), the entire digital marketing and analytics ecosystem shifted beneath our feet. Gone were the familiar session-b 5 min read · [techgreek.hashnode.dev](https://techgreek.hashnode.dev/is-the-google-analytics-certification-still-worth-it-a-complete-guide-to-ga4-certification-in-2027?utm_source=hashnode&utm_medium=feed) [Perfality](https://hashnode.com/@perfalityteam) · [Nov 4](https://hashnode.com/posts/build-a-power-bi-model-for-amazon-and-walmart-sales-and-ad-data/6aeafff9929edb2e7352399a) ### [Build a Power BI Model for Amazon and Walmart Sales and Ad Data](https://perfalityecom.hashnode.dev/build-a-power-bi-model-for-amazon-and-walmart-sales-and-ad-data?utm_source=hashnode&utm_medium=feed) If you sell on more than one marketplace, your numbers live in separate reports: sales exports, advertising reports and inventory files. This tutorial shows a simple star-schema model in Power BI and 4 min read · [perfalityecom.hashnode.dev](https://perfalityecom.hashnode.dev/build-a-power-bi-model-for-amazon-and-walmart-sales-and-ad-data?utm_source=hashnode&utm_medium=feed) [Alan Conlon](https://hashnode.com/@alanconlon) · [Nov 3](https://hashnode.com/posts/five-dax-mistakes/6aea2d9ad8f699d9e344b364) ### [5 DAX Mistakes That Quietly Break Your Power BI Reports](https://alanconlon.hashnode.dev/five-dax-mistakes?utm_source=hashnode&utm_medium=feed) Five silent DAX failures that can make Power BI measures and visuals disagree, and the defensive habits that stop them. 4 min read · [alanconlon.hashnode.dev](https://alanconlon.hashnode.dev/five-dax-mistakes?utm_source=hashnode&utm_medium=feed) [Nexlify Technology](https://hashnode.com/@nexlifytechnology) · [Nov 2](https://hashnode.com/posts/copilot-in-power-bi-asking-business-questions-in-plain-language/6ae8728e916800f681f0645e) ### [Copilot in Power BI: Asking Business Questions in Plain Language](https://nexlifytechnology.hashnode.dev/copilot-in-power-bi-asking-business-questions-in-plain-language?utm_source=hashnode&utm_medium=feed) Discover how Copilot in Power BI uses AI and natural language to simplify data analysis, generate insights, and support smarter business decisions. 8 min read · [nexlifytechnology.hashnode.dev](https://nexlifytechnology.hashnode.dev/copilot-in-power-bi-asking-business-questions-in-plain-language?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/copilot-in-power-bi-asking-business-questions-in-plain-language/6ae8728e916800f681f0645e) [Priya Gupta](https://hashnode.com/@priyagupta02) · [Oct 30](https://hashnode.com/posts/what-it-really-takes-to-build-an-ai-dashboard/6ae4396276859c13bc0c78a2) ### [What it really takes to build an AI dashboard](https://zeonai.hashnode.dev/what-it-really-takes-to-build-an-ai-dashboard?utm_source=hashnode&utm_medium=feed) How we built an AI pipeline that turns any spreadsheet or database into a reliable, interactive dashboard 6 min read · [zeonai.hashnode.dev](https://zeonai.hashnode.dev/what-it-really-takes-to-build-an-ai-dashboard?utm_source=hashnode&utm_medium=feed) [Yenosh V](https://hashnode.com/@yenoshv) · [Oct 30](https://hashnode.com/posts/next-generation-enterprise-analytics-in-2026-integrating-aws-snowflake-power-bi-and-generative-ai/6ae4848f63350b50c769f007) ### [Next-Generation Enterprise Analytics in 2026: Integrating AWS, Snowflake, Power BI and Generative AI](https://yenosh.hashnode.dev/next-generation-enterprise-analytics-in-2026-integrating-aws-snowflake-power-bi-and-generative-ai?utm_source=hashnode&utm_medium=feed) Introduction Businesses today generate enormous volumes of data through customer transactions, enterprise applications, cloud platforms, operational systems and digital interactions. However, collecti 10 min read · [yenosh.hashnode.dev](https://yenosh.hashnode.dev/next-generation-enterprise-analytics-in-2026-integrating-aws-snowflake-power-bi-and-generative-ai?utm_source=hashnode&utm_medium=feed)