Power bi ultimate calendar table
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I am also a Microsoft MVP. I am currently all over DAX expressions and the computed calendar table at present... We can group data by time periods and compare data from different tables in the same pivot table report.
However when I went to create the table and use it.. The calendar table is a very powerful technique that can save us a lot of time.
Calculated Tables In a calculated table, the table values are generated by Data Analysis Expression DAX and the values are stored in the Power BI model. Please leave a comment below with any questions. If you download mine, you most likely will need to add custodes that are relevant to you, but using the methodology explained in the post, you will do it only once. The values to specify the dates you want your calendar to be are hardcoded in the Invoke step, so I created parameters for that: Year, Month, Date. If you use for dates, you will need to make sure the range you enter covers the entire period of your data and goes far enough into the future that you will not have to adjust it any time soon. Use 2 — Group Dates into Time Periods Calendar tables are also u to group dates into time periods years, quarters, months, weeks, days, etc. Figure 3 - CALENDAR DAX Function In the StartDate and EndDate fields of the CALENDAR function, you cannot simply type a date or you will get an error.
Creating a Date Table in Power BI - If you click on this button you can write a DAX expression, similar to how you would have done with the calculated columns and measures before. I explain more in my articles on.
Tired of creating Power BI calendars? Well, me too, so let's put a stop to that. If you download mine, you most likely will need to add columns that are relevant to you, but using the methodology explained in the post, you will do it only once. Note: You need to have the latest june 2016 power bi update installed. Here is how it looked like: Those that downloaded the file, had a hard time to modify it never got a complain, but still…. I apologize in advance if you are one of those that downloaded the file! Well, with the recent Power BI updates, the Power BI team has given us the ability to do a proper job, especially if you are sharing your files with others. Here is how my calendar file looks today: And it self-generates!!! First of all, we needed to clean up the query steps, give them proper names. Select the correct Data type for all columns If you have been lazy like me, you might have left some data types default and got into trouble when trying to display the values in graphs. With them, you can see easily see if a column has been left default and also you can change it to the right value easily. I normally try to this transformation at the end in one step as it makes the file more readable. If I need to change the data type to reference it on another column, I use Number. For example: I want to have leading zeros on my Day column. Day returns a number, but instead of converting that into a number and then create the leading zeros I can do that in one step with the Number. Reorder your columnsto make the file more readable. For example, in our calendar example, some of the steps create date columns and others create sort columns. I have regrouped them so they are next to each other. Add comments to your query steps to help others understand or modify your query This is a new feature from the June 2016 update and here is a cool example on when this make sense: Our calendar has a Day Name and Month Name column. Depending on which country you are at or how the report will be used, you might want those in your local language or not. Power Query allows you to change the language by adding a country code at the end: Date. If you are adding a lot of steps, it might be easier to do it in the advance query editor. Read to learn how to do it. And the previous step leads us to this step which makes the calendar easily configurable: 5. This calendar uses List. Date to generate the date table. The values to specify the dates you want your calendar to be are hardcoded in the Invoke step, so I created parameters for that: Year, Month, Date. There is also a parameter to configure if your week starts on Monday or Sunday. And now the icing on the cake. Save your calendar as a Power BI Template How about saving this as a Power BI template and use this as a new file instead of an ordinary one? I learned this from Ryan Dusty and you can It would be great if we we could save our templates as shortcuts on the Power BI ribbon.... This is really great way to make your date dimension table. Love the technique, and may even adopt it over some of my other methods. At least this is a really nice post that I can refer people to, who are struggling with it. I never know what to call mine, and really enjoyed seeing how you handled it. Thanks for the post.
