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Using Power Query to create a Date table
Colin Maitland, 14 October 2022
In this article, I will demonstrate how to use Power Query in an application such as Microsoft Excel or Power BI Desktop to create a Date table.When creating a data model, it is common to have a Date table for use in measures and visualisations. This is particularly important for Date/Time Intellige
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Power BI - P2 - Calculate Change vs Difference for two Date Ranges
Colin Maitland, 19 August 2022
This is the second part of a two-part article in which I demonstrate how to structure the Power BI data model and write measures to calculate and display the change and difference between two user selected sets of dates for a measure.In the first article, I demonstrated the configuration of the data
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Power BI - P1 - Calculate Change vs Difference for two Date Ranges
Colin Maitland, 26 July 2022
This is the first part of a two-part article in which I demonstrate how to structure the Power BI data model and write measures to calculate and display the change and the difference between two user selected sets of dates for a measure such as Actual Revenue for Won Opportunities.The image below sh
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Power Query - Conditionally Replace Values in a Column with Values from another Column
Colin Maitland, 27 May 2022
In this article, I will demonstrate how to use Power Query to conditionally replace values in a column with values from another column. We want to do this with the least number of steps, while handling blank values and maintaining the data type of the column for which values are to be replaced. For
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Calculate Mean, Median, Mode and Percentile for a Measure in Power BI
Colin Maitland, 22 May 2022
In this article, I will demonstrate how to calculate the Minimum, Maximum, Mean, Median, Mode and Percentile for a set of values calculated using a measure. This demonstration considers whether the rows for which the measure returns a blank result are included or excluded. I will also demonstrate th
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How to configure a Top X Slicer in Power BI
Colin Maitland, 13 May 2022
In this article, I will demonstrate how to configure a slicer and related visualisation, such as a table or chart, to dynamically select and display the Top X Customers based on a measure such as Won Revenue in a Power BI report. The pattern demonstrated in this article can be adapted to suit your b
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Power BI - Calculating Mean and Actual or Percentage difference from Mean for a Measure using DAX
Colin Maitland, 10 May 2022
In this article, I will demonstrate how to use DAX to calculate the Mean, Actual Difference from Mean and Percentage Difference from Mean for a set of values calculated by a measure in Power BI. The Mean is the average of a set of numbers. That is, the sum of the values divided by the number of valu
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Analysing Donor and Supporter dates in Power BI
Colin Maitland, 27 April 2022
In this article, I will demonstrate an approach that may be used in Power BI to analyse the dates such as Created On, First Donation and Last Donation dates for Donors or Supporters. This approach may also be considered for other scenarios, such as First Sale and Last Sale dates for Customers, First
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Power BI - How to document a custom Power Query function
Colin Maitland, 17 April 2022
In a previous article, I demonstrated the configuration of a Custom Power BI UTC to Local Date/Time with Daylight Saving Time Function named UTCDateTimeZoneToLocalDateTime. Power Query can use this custom M function in a Power BI data model connected to Dataverse to transform UTC Date/Time/Zone data
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Power BI: Is On Or Before Highest Transaction Date Pattern
Colin Maitland, 06 April 2022
In this article, I demonstrate using a DAX pattern named ‘Is On Or Before Highest Transaction Date’. This pattern may be used to prevent values from being calculated for dates in report that are higher than the highest date of the transactions being reported on. This pattern prevents you
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Power BI: Is On Or Before Highest Transaction Date Pattern
Colin Maitland, 05 April 2022
In this article, I demonstrate using a DAX pattern named ‘Is On Or Before Highest Transaction Date’. This pattern may be used to prevent values from being calculated for dates in report that are higher than the highest date of the transactions being reported on. This pattern prevents you
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Power BI - Dataverse Connector verses OData Connector
Colin Maitland, 04 February 2022
In this article, I will describe some of the differences when using the Dataverse instead of the Dynamics 365 (Online), i.e., OData, connector in Power BI to retrieve data from Dynamics 365 (Online). When creating Power BI data models, I use a template data model that connects to Dynamics 365 (Onlin
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Power BI - Using Power Query to calculate Duration
Colin Maitland, 03 February 2022
When configuring a Power BI data model, the addition of one or more new column to store a calculated duration between two Date/Time values in Days, Hours or Minutes, or perhaps just Total Hours, is sometimes required.This can be done by adding Custom Columns using Power Query or Calculated Columns u
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Power BI: Transforming Option Set Values to Option Set Labels
Colin Maitland, 02 December 2021
In this article, I will demonstrate two methods that may be used for transforming the Option Set Values in Option Set columns to their corresponding Option Set Labels when using an OData Feed to Connect Power BI to Dynamics 365. These methods may be used for any single-select Option Set column retri
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Power BI: Is Leap Year Pattern
Colin Maitland, 16 August 2021
In this article, I will demonstrate several DAX formulas for Power BI that may be used to calculate whether a date falls within a Leap Year.Here is a table of dates showing the results for a set of dates. You will notice that:· If the Date is blank, then the result is False.· If the Date falls withi
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