What 'systems thinking' actually means - and why it matters today
‘No man is an island’ is a well-known phrase, yet in practice, how often do we understand the interconnectedness of everything around us? Enter systems thinking.
Ask an MIT Professor: What Is System Thinking and Why Is It Important?
We recently sat down with MIT Professor Crawley to discuss system thinking, a skill that he considers system thinking “the cognitive skill of the 21st century.”
Introducing the 3-30-300 rule for better reports - SQLBI
This article describes a simple approach that you can apply to improve your reports and dashboards. Effective reports and dashboards should enable users to
What is a Semantic Layer? (Dimensional Data Modeling)
A semantic layer is a semantic data model that shows to the business user: a dimensional view (dimensional schema) from a relational schema. It will create/model a logical star schema by: ...
Business Intelligence vs. Data Analytics: What Is the Difference?
In a data-driven world, business leaders must explore new tools and applications. Compare business intelligence vs. data analytics in today’s workplace.
As the business analyst (BA) role continues to evolve, the responsibilities continue to expand. One of the best ways for a business analyst to add value to a project is to understand the processes involved in both the project life cycle (PLC) and the software development life cycle (SDLC). Contrary
Context transition is one of the most obscure topics for DAX newbies. In this article we introduce context transition, its effects, and how to leverage it r
In Power Query, you can create a table that contains an aggregate value for each unique value in a column. Power Query groups each unique value, performs an aggregate calculation for each value, and pivots the column into a new table.
Database Keys: The Complete Guide (Surrogate, Natural, Composite & More)
Natural key, surrogate key, composite key. What do these terms mean? And why should you know what they are? In this article, you’ll learn what these terms are, so you can communicate better with ot…
Chapter 11 Data visualization principles | Introduction to Data Science
This book introduces concepts and skills that can help you tackle real-world data analysis challenges. It covers concepts from probability, statistical inference, linear regression and machine learning and helps you develop skills such as R programming, data wrangling with dplyr, data visualization with ggplot2, file organization with UNIX/Linux shell, version control with GitHub, and reproducible document preparation with R markdown.
Analysis Services What is the Difference between Tabular and Multidimensional Models
In Microsoft Analysis Services there are two model types: the Multidimensional and the Tabular. In this video, we'll explain what the difference is and which should you choose?
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