As the name suggests Data Analysis eXpressions or DAX in Power BI is nothing but collection of operators, functions and constants which we use in writing formula or expressions to return value/values. It is a native language for data analytics tools of Microsoft. DAX is also a highly versatile and functional language with the capacity ... Read more

Power Query in Power BI plays the role of a data connection technology. It does the data mashup i.e. connect, combine and refine data from many sources to meet the need of our data analysis. Power Query is available in Excel 2016 or later version of Excel. It can also be added in Excel 2010 ... Read more

Forecasting is predicting the future with the help of present and past data. It uses the concept of Exponential Smoothing to predict the future. The Power BI desktop has a very nifty feature of forecasting. This article will describe the process with practical data. The data has been collected from Wikipedia using the data scraping ... Read more

Goal seek and solver in Microsoft Excel 2016 are two very important functions. These two help us to perform some back calculations. Among these two, Goal Seek is the simpler one. So let’s start with the Goal Seek function. I will demonstrate the use of Goal Seek with a very practical example. Every one of ... Read more

Create new column from existing column in Power BI is very useful when we want to perform a particular analysis. Many times the new column requires clipping a string part from an existing column. Such a situation I faced a few days back and was looking for a solution. And this is when I again ... Read more

Different webpages are rich source of data. Either structured or unstructured, these data are very useful and can provide good insights. Power BI has recently added and enhanced the existing feature of data extraction from the web. This feature was already compelling, with the recent enhancement it has become even more powerful. In this article ... Read more

Joining tables is an important feature to combine information from several tables. We can join tables in Power BI desktop with a very nifty merging feature provided with it.. In this article, I am going to demonstrate how to join tables in Power BI desktop with some practical data. The data are all open source. ... Read more

Map visualization in Power BI is a very useful feature to show location-wise values. In this article, I will demonstrate how to use this feature with a practical example. I have used maps a lot with ArcGIS to create boundary maps and display locations as supplementary information. It certainly requires expertise and considerable time. Being ... Read more

Measures in Power BI are really a beautiful feature. They are fast in the calculation, has the benefit of reusability. Measures can be applied to multiple tables. We create measures to obtain counts, averages, sums, ranking, percentiles, aggregating year to dates and many more handy calculations. Measures are dynamically calculated. And most importantly it gets ... Read more

Data model relationships are the core of Power BI. The report preparation and visualization becomes very easy if data modelling is done well. So here in this article, we will discuss data modelling relationship with a simple example. A common misconception among Power BI users is that Power BI is all about visualization. But that ... Read more