EDIT: I recorded a detailed video on how to work with Parent Child hierarchies in Power BI: https://businessintelligist.com/?p=2603 I have been working with SAP data source lately. And in SAP dimensions, parent-child hierarchy is very common and there is a need to flatten it in Power BI. A common parent child hierarchy is an employee … Continue reading Power BI Tutorial: Flatten Parent Child Hierarchy
Earlier this year, new version of DAX was released. One of the key features with this release is the support for variables. Variables makes writing DAX code easier. Variables also make code easier to read and understand. Download sample data here. Data represents sales for a particular store. Products are categorized by seasonality and color. … Continue reading POWER BI TUTORIAL : Using Variables in DAX
This tutorial is based on one of the earlier tutorials – How to Create a Star Schema Model. I strongly recommend that you go through it first to become comfortable with using Power Query to create facts and dimensions for your Star schema before we start working on ID generation. The data set that we'll … Continue reading Power BI Tutorial: Generate ID field using Power Query
Let's take a look at an unfortunately very familiar to most of us business scenario. A patient gets admitted to a hospital, spends several days there and then gets discharged (hopefully feeling much better 🙂 ). In this situation, we have two dates that describe this event, the date of being admitted and the date … Continue reading Power BI Tutorial: How to Use Single Date Dimension in Your Model (using USERELATIONSHIP() Function)
Click Here to download this Tutorial file Very often our analysis starts with a flat data set that contains all of the pertinent columns in a single table that looks like the one above. As we can see, we can analyze this data using three different lenses or dimensions: Product Geography Date Unfortunately, if we … Continue reading Power BI Tutorial: How to Create a Star Schema Model in Power BI and Power Pivot Using Power Query
I find it interesting that after it's been out for a long while, and after some great attempts by non-Microsoft sources to provide an adequate definition, I am still struggling with being able to provide a succinct explanation of what Power BI is to my customers. My best attempt thus far has boiled down to … Continue reading What is Power BI?
This is a biggie… a great number of new data sources is now supported for data refresh via a Power BI Gateway. Please follow this link for details. SAP Business Objects is not yet supported. I am particularly impressed with ability to refresh from folder (please note, only CSV files are supported, a folder full … Continue reading Teradata, DB2, Folder and Many Others Now Supported via Power Query in Power BI Gateway