Power BI reports can get slow if you have huge amount of data. One of the ways to speed up the performance is to get the smaller part of the data, only the part that is needed for analysis. Most of the times, a date condition is a good filter for that. You might only Read more about Only Get the Last Few Periods of Data into Power BI using Power Query Filtering[…]
Power Query can connect to a web page and get data from there, and I have explained it before in my article about movies data analysis. However, the default way of getting data from the web page doesn’t fetch images into your report. Images in a webpage come through their own URL. If you can Read more about Get Images from Web Page Into the Power BI Report Using Power Query[…]
There are many scenarios that you might want to implement a conditional expression. When the conditional expression’s logic is on a row-by-row basis, the best is doing it in Power Query rather than DAX (there are exceptions always), The Add Conditional Column in Power Query is a very helpful option, but often many people find Read more about Conditional Column in Power BI using Power Query; You can do anything![…]
When I explain the Star Schema and best practices of data modeling in Power BI, Often I get questions such as what if we want to have budget and actuals in the same data model? what if there are two tables with different granularity? We cannot solve it with simple data modeling and relationships, this Read more about Budget vs Actual: Zero Complexity Model in Power BI[…]
Most of the time, you would like to know how the data quality looks like in your tables. Although, this is a process that you mainly check at the time of data preparation, having such report for end users, is also helpful, because sometimes they see an odd outcome, and wonder where this is coming Read more about Create a Profiling Report in Power BI: Give the End User Information about the Data[…]
Dimensions and Fact tables are the two essential parts of building a data model, and their relationship in the form of Star Schema is the best practice of doing the modeling. However, these are all theories until you really experience it in a real-world example. In this article, I want to put everything you learned Read more about Build Your First Star Schema Model in Action: Power BI Modeling Basics[…]
Now that you know about the dimension and fact tables, it is time to talk about one of the most important concepts of modeling. You might have heard about dimensional modeling or star schema, but you may have vague ideas about what it is, or alternatively, you might have used it, but not sure if Read more about Power BI Basics of Modeling: Star Schema and How to Build it[…]
Fact tables are the core of analysis in a data model. In the previous article, I explained what a dimension table is, and why we cannot have everything in one big table. In this article, you will learn about the fact table, and how it positioned in a data model, you will also learn how Read more about Basics of Modeling in Power BI: Fact Tables[…]
Power Query has more than 80 data sources supported, and Microsoft Exchange is one of those data sources. Although it is not a new data source, however, the power of this data source combined with the data transformation power of Power Query is not clear for everyone. Using this data source, you can get all Read more about Import Email Attachments Directly Into a Power BI Report using Power Query[…]
There is always a discussion on how to store back the data from Power BI to local computer or SQL Server Databases, in this short blog, I will show how to do it by writing R scripts inside Power Query. First how to Store Files to PC To store data back to a file Read more about Export data from Power Query to Local Machine or SQL Server using R scripts[…]