In step 1 of creating date dimension I explained how to create the base query with calendar columns. In this post I will explain how to add fiscal columns calculated in the date dimension. Many of business reports generates on fiscal year, fiscal quarter, and fiscal period, so having fiscal columns is important part of Read more about Create a Date Dimension in Power BI in 4 Steps – Step 2: Fiscal Columns[…]
I have written multiple blog posts so far about creating a date dimension. However, I still get the question about how to create a date dimension. In this series of blog posts I am going to explain in details how you can create a date dimension easily in Power BI (based on Power Query). this Read more about Create a Date Dimension in Power BI in 4 Steps – Step 1: Calendar Columns[…]
Power BI is a cloud service, and that means Power BI files are hosted somewhere. Some DAX functions such as Date/Time functions work on system date/time on the server their file is hosted on. So If you use DAX functions such as TODAY() or NOW() you will not get your local date/time, You will fetch Read more about Solving DAX Time Zone Issue in Power BI[…]
Using Merge in Power Query gives you the ability to join on a EQUAL join with one or more fields between two tables. However, in some situations you need to do the Merge Join not based on equality of values, based on other comparison options. One of the very common use cases is to Merge Read more about Dates Between Merge Join in Power Query[…]
One of the recent features in Power BI Desktop is the ability to create your own custom connector and use it when connecting to the data source. This feature looks just one feature, but it opens doors to many possibilities. With this feature you can write your own custom connector to any types of data Read more about Power BI Custom Connector: Connect to Any Data Sources. Hello World![…]
Previously I have written a blog post explaining two ways of combining data sets with each other; Append vs Merge. In this post I want to explain in details what is the difference between all types of Merge Type and explaining how to choose the right merge (or Join) type. These Merge types are very Read more about Choose the Right Merge Join Type in Power BI[…]
M is the powerful language behind the scene of Power Query. Any transformation you apply will be written in M language. For many, M looks like a scary language. In this post I like to explain a bit of basics of M. Not mentioning any functions. Mainly I want to explain to you how the Read more about Basics of M: Power Query Formula Language[…]
In the last two posts (Part 1 and 2), I have explained the main process of creating the R custom Visual Packages in Power BI. there are some parts that still need improvement which I will do in next posts. In this post, I am going to show different R charts that can be used Read more about Interactive Charts using R and Power BI: Create Custom Visual Part 3[…]
Every so often I find myself needing to import data, but only want data relevant to values already existing in my data model. This is common where I build smaller models based on a subset of fact or transaction records. Rather than bring in entire dimension tables, I may only need the dimension records that Read more about Dynamic SQL Using Power Query[…]
In the last post, I have explained the main concepts behind the neural network, In this post I will show how to apply neural network in a scenario in R and how to see the results and hidden layers in a plot. For this post I got some great example from [1]. Scenario: Concert has Read more about Neural Network R codes in Power BI Part2[…]