Parallel Period is a function that help you fetching previous period of a Month, Quarter, or Year. However if you have a dynamic range of date, and you want to find the previous period of that dynamic selection, then Parallel Period can’t give you the answer. As an example; if user selected a date range Read more about Previous Dynamic Period DAX Calculation[…]
Column chart and Bar chart are two of the most basic charts used in every report and dashboard. There are normally two types of these charts: Stacked, and Clustered. At the first glance they seems to do same action; showing values by categories ans sub categories. However, they are different. Your storytelling of data would Read more about Stacked Chart or Clustered? Which One is the Best?[…]
Power BI users Sorting in most of the visualizations, you can choose to sort ascending or descending based on specified data fields. However the field itself can be sorted based on another column. This feature called as Sort By Column in Power BI. This is not a new or advanced feature in Power BI. This Read more about Sort By Column in Power BI[…]
Date Conversion is one of the simplest conversions in Power Query, however depends on locale on the system that you are working with Date Conversion might return different result. In this post I’ll show you an example of issue with date conversion and how to resolve it with Locale. In this post you’ll learn that Read more about Flawless Date Conversion in Power Query[…]
Combining two queries in Power Query or in Power BI is one of the most basic and also essential tasks that you would need to do in most of data preparation scenarios. There are two types of combining queries; Merge, and Append. Database developers easily understand the difference, but the majority of Power BI users Read more about Append vs. Merge in Power BI and Power Query[…]
2016 was the year of raising Power BI in my opinion, Here is the list of top 10 blog posts that you clicked mostly in this year; How to Do Power BI Mapping with Latitude and Longitude Only. This post was written when Power BI didn’t supported latitude and longitude only for map visualization. Nowadays Read more about Top 10 Blog Posts of 2016[…]
Filtering in Power Query component of Power BI is easy, however it can be misleading very easily as well. I have seen the usage of this filtering inappropriately in many cases. Many people simply believe in what they see, rather than seeing behind the scenes. Power Query filtering is totally different when you do basic Read more about Warning! Misleading Power Query Filtering[…]
Power BI reports are highly interactive, If you select a column in a column chart other charts will be highlighted. Selecting a slicer value will filter all other visuals in the report. This interactivity can be controlled easily. Despite the fact that this feature has been released in early phases of Power BI, there are Read more about Visualization Tip: Change to Filter instead of highlight Control the Interaction in Power BI Report[…]
One of the sample scenarios that DAX can be used as a calculation engine is customer retention. In the area of customer retention businesses might be interested to see who there lost customers or new customers are in the specific period. Obviously this can be calculated in the Power Query or in the data source Read more about Lost Customers DAX Calculation for Power BI[…]
Have you ever thought does your Power Query Transformations happens in the data source side (server side), or on the local memory (client side)? When you use a relational data source, query can be run on the data source, but it depends on transformations. Some transformations can be translated to query language of the data Read more about Not Folding; the Black Hole of Power Query Performance[…]