RADACAD Blog

Latest Power BI and AI articles from RADACAD team

Time series Series with Power BI- Arima Model-Part 10

In this post, I want to explain the ARIM model (Autoregressive Integrated Moving Average). Exponential smoothing could not consider the relationship between the values in the different time span. while ARIMA able to handle these data. ARIMA Model needs three variables. ARIMA(p,d,q) First, let start with explanation of d value what is d? The first Read more about Time series Series with Power BI- Arima Model-Part 10[…]

Basics of Value Structures in M – Power Query Formula Language

A couple of months ago, I’ve written a blog post about Basics of M and explained few basics about this language. In this post, I’m going to the next step and will explain few other structure definitions in this language. In this post, you will learn about Tables, Records, Lists, and how to navigate through Read more about Basics of Value Structures in M – Power Query Formula Language[…]

Power BI and R- Timeseries series Part 9- Decompose None seasonal Data

In the last posts, I have explained about some main concepts of Time series. How to decompose time series that has irregular, trend and seasonality components have been explained in: seasonality component decompose). now image we have a dataset that does not have any seasonality also does not show a clear trend. This data is Read more about Power BI and R- Timeseries series Part 9- Decompose None seasonal Data[…]

How to create Polar Charts

In this post I am going to show how to create a polar chart using R codes inside Power BI. imagin that we have below dataset about 4 main groups and their related values. I am going to show you how to draw different polar charts with different shapes. imagin that we have a bar Read more about How to create Polar Charts[…]

Create a Date Dimension in Power BI in 4 Steps – Step 3: Public Holidays

In last two steps you learned how you can create a date dimension that has calendar columns, and fiscal columns. In this step we are going to look at how Power Query can be leveraged to fetch public holidays live from APIs, and add that information into the date dimension. This step shows the importance Read more about Create a Date Dimension in Power BI in 4 Steps – Step 3: Public Holidays[…]

Create a Date Dimension in Power BI in 4 Steps – Step 2: Fiscal Columns

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[…]

Draw Slope Chart in Power BI: Part 8

Slope chart can be used for comparing data between two different time periods. it is a very easy way to depict the difference between to time, two elements or any other two attributes. The slope charts can be used to study the correlation between variables or to study the change in the same variable between Read more about Draw Slope Chart in Power BI: Part 8[…]

Taking a byte out of U-SQL

I recently had a requirement to combine a set of approx. 100 CSV files into a single file and encountered an interesting problem along the way. The files all had the same simple structure which was 2 columns.  I thought this would make a pretty straight forward exercise – until I started processing the files. I Read more about Taking a byte out of U-SQL[…]