Data science, power BI and python tutorial. Learn power bi and SQL for business intelligence and data science. .
DAX (Data Analysis Expressions) is a formula language used in Power BI, Power Pivot, and Analysis Services. It consists of functions, operators, and constants that enable users to create custom calculations in calculated columns and measures. DAX allows users to extract insights, perform complex calculations, and manipulate data within a data model. What is a […]
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Introduction How to Run Python Scripts in Power BI Desktop Power BI is a powerful data visualization tool, but sometimes, you need advanced analytics, automation, or custom data transformation. This is where Python scripting in Power BI comes in! With Python, you can:✅ Perform complex data transformations✅ Fetch external data (e.g., stock market, web scraping,
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Data visualization is a powerful tool for making sense of complex data. By using various chart types, we can highlight trends, compare quantities, and uncover patterns. Here’s a quick guide to some of the most commonly used visualization methods: Bar Chart Rectangular bars represent different categories, making it easy to compare quantities across multiple groups.
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Conditional formatting to a line chart in Power BI can enhance data visualization by highlighting trends and changes. While Power BI does not support direct conditional formatting for line charts, you can achieve similar effects using a workaround (creating a bar chart with conditional formatting and then changing it to a line chart) . This
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Explore this curated list of Top SQL interview questions and answers to enhance your readiness for SQL-related job interviews. From fundamental concepts to advanced, these questions cover key topics like database, SQL structure and syntax, joins, subqueries,views, stored procedure and more. Use this resource to sharpen your SQL skills and excel in your next interview
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Logistic regression is a data analysis technique that uses mathematics to find the relationships between two data factors. Logistic Regression is a powerful tool used in statistics to predict the likelihood of something happening. It’s especially handy when there are only two possible outcomes, like whether a loan gets fully paid or not. Think of
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Naive Bayes algorithm is a probabilistic classifier that operates based on Bayes’ theorem. It is Supervised Machine Learning Algorithms. It is highly efficient in computation, making it suitable for real-time problems. The algorithm assumes that each attribute in a class is highly independent. It can handle both continuous and discrete attributes effectively. The prediction model
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