Month: September 2017

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 ...

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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 ...

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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 ...

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Dynamic X axis on charts – Power BI

Posted by on Sep 18, 2017 in Power BI | 3 Comments

A recent post to the Power BI community desktop forums asked if it might be possible to allow a user to make a slicer selection that dynamically updates the x-axis.  The idea would be to present the end user with a slicer on the report page with options of Year, Quarter, Month and Day and when ...

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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 ...

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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 ...

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