April 2021 - Data Cornering

Calculate last or previous value within Power BI

Here is how to calculate last, previous, or values other periods ago in Power BI using DAX measures. It is not always straightforward, and there are multiple approaches to how to do that.

Create group index column by using DAX

One way to create a group index by using DAX is with the function RANKX. How to do that depends on your dataset structure, but this example might give you a good idea or precise solution.

How to calculate moving average or sum in Power BI

A moving average can help to see data insights that sometimes are a little bit hidden behind seasonality. Here is how to calculate a moving average or sum in Power BI by using DAX. Sometimes moving average is called running or rolling average, but it is all the same.

How to highlight one line chart series among many in Power BI

If you have multiple line chart series in one chart, then here is how to highlight one series among many in Power BI dynamically. That will enhance the ability to analyze data and compare one series to others.

2 ways how to create separate Power BI charts with synchronized Y-axis

It is a great way to compare different data series if you create separate Power BI charts with a synchronized Y-axis. By using this technique, you can better distinguish the volume. Otherwise, it might be that something less important grabs your attention.