current month vs previous month in power bi

Reza Rad is a Microsoft Regional Director, an Author, Trainer, Speaker and Consultant. ALL ( Dates[Month & Year], Dates[MonthnYear] ), This calculation uses the same DATEADD function to get the previous period, the only difference is the period is changed to QUARTER in the expression. Ex: as of 3/9/21 ISBLANK ( [Total Sales] ), Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. calculate current month vs previous month. PREVIOUSDAY You may watch the full video of this tutorial at the bottom of this blog. So for instance, were now in quarter 4 and were only going to have information up to the last twenty days because in this example its the 20th of October. How to organize workspaces in a Power BI environment? For DAX/Power BI Learning Enroll to Free and Member only courses at https://portal.enterprisedna.co/. Get BI news and original content in your inbox every 2 weeks! This comparison can totally give us an indication of how well the business is performing. I provide training and consulting on Power BI to help you to become an expert. Let's see this in action in the Power BI report. Then instead of Total Sales, we'll select . The year portion of the date is ignored. The blank row is not created for limited relationships. Now, the challenge here is how to create a calculation that could really compare the sales effectively. The following sample formula creates a measure that calculates the previous year sales for Internet sales. When working with dates, one of the common types of analysis is period vs period, such as Year over year, and Month over month. There are other functions that can be used for this type of calculation, DateAdd is one of them. A table expression that returns a single column of date/time values. Certainly, there are many ways to combine various different DAX functions and logic within the formulas. You may watch the full video of this tutorial at the bottom of this blog. When we look back on the table, we can see that June 2015 has the new highest number after 1, 024, 700. Returns a table that contains a column of all dates from the previous year, given the last date in the dates column, in the current context. Like everywhere else in DAX and Power BI, your calculations are dependent on the context of the report and visualization, Remember to write your calculation in a way that performs correctly for the specific report and visual you want to present it. But, I would recommend unpivoting your Meter columns first. Comparison- current month vs previous month, https://powerbi.tips/2016/07/measures-month-to-month-percent-change/, http://blog.sqlgeek.pl/Download/DAX - Month over Month.pbix, http://www.daxpatterns.com/time-patterns/, How to Get Your Question Answered Quickly. So thats our highest previous sales month. How do we have these formulas fetch the prevous month, that falls before the filtered date range (ie: date slicer)? I have a list of meter readings and I want to automatically calculate the usages in each month. This is necessary to be done for the calculations below to work. For example, if the latest date in the dates argument refers to the year 2009, then this function returns all dates for the year of 2008, up to the specified year_end_date. Date and time functions Power BI Datamart What is it and Why You Should Use it? Below is the link of the forum provided for the reference. I tried using the below expression, but the previous month script does not seems to work. As we move down the table, we can see that in July 2015, the result is now higher than the previous one. The Sales Diff PM and % Sales Diff PM measures provide the difference between the Sales Amount of the month displayed in the row and the month displayed in the previous row of the matrix visualization. ). (But it just dividing the current month by 3 and not the Last 3 Mnths.) Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email a link to a friend (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window). A table containing a single column of date values. Sam is Enterprise DNA's CEO & Founder. Read more, When you apply a multiple selection to a slicer or to a filter, you obtain a logical OR condition between selected items. We can efficiently complete these calculations using Power BI to compare current sales to the previous best month. DateAdd vs ParallelPeriod vs SamePeriodLastYear; DAX Time Intelligence Question, How to Reduce the Size of Power BI file in a few Steps. Prevent YTD, QTD, MTD Results Extending Forward In Power BI, Time Comparison For Non Standard Date Tables In Power BI, Calculate Financial Year To Date (FYTD) Sales In Power BI Using DAX, Show Results Up To Current Date Or A Specific Date In Power BI Enterprise DNA, Sorting Date Table Columns In Power BI | Enterprise DNA, Power BI Tips & Tricks: Retrieve Previous Value Excluding Weekends & Holidays, Date Table In Power BI - New And Fastest Way To Create It, Preventing Year To Date Results From Projecting Forward | Enterprise DNA, New Course: Power Query/M Nested Structures, Brand New Course: Introduction to Statistics for Data Analysts. There are, of course, other methods of calculating this as well. Labels: Need Help Message 1 of 13 100,390 Views 1 Reply 3 ACCEPTED SOLUTIONS Anonymous Not applicable From a DAX standpoint, the previous row of the matrix is not a concept that can be directly expressed in a formula. The sample model I am using is a data model like the one below. Desired Output If 4th month is selected Current Moth revenue = 100 + 200 = 300 Previous Month = 100+200 = 300 In this case, both are the same but in actual data, revenue is different for each month. I want to create a comparison matrix. And in the Visual Studio development software for a Tabular Model. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hi, Marco is a business intelligence consultant and mentor. The following sample formula creates a measure that calculates the 'previous month sales' for Internet sales. i am having data from 2017 january to 2019 november. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. For example, if the first date in the Dates argument refers to June 10, 2009, this function returns all dates for the month of May, 2009. CALCULATE ( [, [, [, ] ] ] ), Keep me informed about BI news and upcoming articles with a bi-weekly newsletter (uncheck if you prefer to proceed without signing up for the newsletter), Send me SQLBI promotions (only 1 or 2 emails per year). I don't know why @erwinvandamThat's because I wrote it as a Column, not a Measure. Find out more about the February 2023 update. However it doesn't work. However, it doesn't allow me to use the same name of the measure (i have to use the same name in order for presentation). Hot Network Questions Can you see the problem? Reza is also co-founder and co-organizer of Difinity conference in New Zealand. Go to Solution. Good to know that the Query editor uses M-language and Dax is used within measures. How would you go about comparing week numbers? This is because its very important to understand what specific factors were at play and also how these factors interact to create strong results in the revenue. PMTD - Previous month to date is the period starting from the beginning of last calendar month and ending at the current day of last month. *****FREE COURSE Ultimate Beginners Guide To Power BIFREE COURSE Ultimate Beginners Guide To DAXFREE 60 Page DAX Reference Guide DownloadFREE Power BI ResourcesEnterprise DNA MembershipEnterprise DNA OnlineEnterprise DNA Events, Sam is Enterprise DNA's CEO & Founder. Calculate the previous month from a Power BI data source In this first example, use Power BI Desktop and a Power BI file (pbix extension) to map the column from the data source. We can also put this into a chart, and we see that this is showing a quarter to date number. This evaluation is made by the PreviousYearMonth variable in the Sales PM measure. @erwinvandamYes! However neither DATEADD or FILTER seem to yield what I need for years 2019 and 2018. It might be due to the default date table behavior. The Dates argument can be any of the following: Constraints on Boolean expressions are described in the topic, CALCULATE. To show the true Power BI month-to-date, quarter-to-date, or year-to-date time comparisons, we need to get rid of or blank out the numbers that are past today or where they sit in the current context. Is there anyway to do that. What I gave you is a DAX solution for a calculated column in the Desktop. To do this, we click on New Measure and then write the formula in the formula bar. Hoping you find this useful and meets your requirements that youve been looking for. 2021 YTD | 2020 YTD | 2019 YTD | 2018 YTD That way you can use simple DAX like:Lead PM= CALCULATE([Leads], FILTER(ALL(CreateDateTable), CreateDateTable[MonthNumber]= MAX(CreateDateTable[MonthNumber])-1). It's really amazing how easy it is now to compare our Total Sales one month ago with our Total Sales two months ago cumulatively. So Im going to show you how you can show the true like for like comparison. With that, we can change the context from a ranking perspective. The easiest way to do this is to create a numeric index for your combination of year and month: Then reference the previous index in the calculation. This logic is saying, if the last date is greater than today then make that equal to blank; if not then equal to the result, and thats going to do the work. So, meter reading previous month = begin, meter reading current month = end. In contrast to Microsoft Excel, which stores dates as serial numbers, DAX uses a datetime format when working with dates. Basics of Time Intelligence in DAX for Power BI; Year to Date, Quarter to Date, Month to Date, DateAdd vs ParallelPeriod vs SamePeriodLastYear; DAX Time Intelligence Question, Week to Date Calculation in Power BI with DAX. Power BI Date Dimension; Default or Custom? To compare current sales to previous best month, I used a simple logic with the DIVIDE function. Time intelligence functions If you have a date field in your table, and you have not turned off the auto-date/time in Power BI, that most probably means you have a built-in default date table created by Power BI, which you can use the field from it to calculate the sales last month like below; The [OrderDate]. You may watch the full video of this tutorial at the bottom of this blog. Have attached the link to PBIX Download. Is It Confusing? Learn how your comment data is processed. I was able to match them out by utilizing 1 to represent the first day of the month. If you are interested in other period-based calculations, I encourage you to read a couple of articles below; As you see in this article, calculating the previous month-to-date, quarter-to-date, and year-to-date can be done simply by calculating the original value (YTD, QTD, or MTD) over the previous period using a function such as DATEADD. Find out more about the February 2023 update. Assuming that the current date is 2019-04, the following will return the index "4": Previous month = Calulate ( SELECTEDVALUE ( Calendar [Index] ); Calendar [Date] = TODAY () ) Then you can simply use that to calculate the previous index: Last_month = CALCULATE ( SUM (Table1 [TotalAmount]); Calendar [Index] = [Previous month] -1 ) Is there anyway to do this? View all posts by Sam McKay, CFA. In this article and video, Ill show you how you can calculate these using DAX in Power BI. 445 calendars) in Power BI you can . This site uses Akismet to reduce spam. Syntax DAX PREVIOUSMONTH Parameters A table containing a single column of date values. The default is December 31. This numbering should just be a sequential number from the begining of your date range of the date table to the most recent date. This function returns all dates from the previous month, using the first date in the column used as input. Now lets see how we can get the previous MTD calculations. Sales Feb =CALCULATE ( [Total Sales], Dates[MonthInCalendar] = Feb 2015 ). Sometimes, its not only worthwhile to analyze historic months, quarters, or years. And presence of the regions in your data doesn't change much. He helps individuals and organizations develop data driven cultures and create enterprise value by delivering business intelligence training and education on Microsofts Power BI platform. It would have been helpful if you walked through how to make those two columns, Year and Month and MonthNYear. Here are some tutorials on generating a date calendar with an Index for months, Years, Days, and weeks. powerbi dax powerquery Share Improve this question Follow edited Dec 9, 2020 at 20:33 sergiom 4,651 3 24 32 asked Dec 9, 2020 at 19:58 Bond 101 1 3 15 The date field is the most important parameter here. Since we only want to return the top sales up to that point, we need to put that measure and enter Total Sales. IF ( $100 | $92 | $75 | $110, I can get 2021 with std TotalYTD or Calculate(Sum( expression, filter) But when I try the syntax to do a measure, I also get an error: @erwinvandamSee my article on Mean Time Between Failure (MTBF) which uses EARLIER: http://community.powerbi.com/t5/Community-Blog/Mean-Time-Between-Failure-MTBF-and-Power-BI/ba-p/3395.The basic pattern is:Column = VAR __Current = [Value] VAR __PreviousDate = MAXX(FILTER('Table','Table'[Date] < EARLIER('Table'[Date])),[Date]) VAR __Previous = MAXX(FILTER('Table',[Date]=__PreviousDate),[Value])RETURN __Current - __Previous. I have not found an easy way compare sales at a particular date over multiple years. Thank you for your contribution to this topic. Here in this table, you can see what should be our end product. This article explains why this is an important feature that should replace bidirectional filters used for the same purpose. That is because between the previous months up until July 2015, the highest total sales was 1,049,952. But because its within a filter, were going to rate through every single month and year to create a dynamic table. You can also see that the accumulation restarts when the new month (August in the screenshot above) starts. I have more 10tables like this. This logic evaluates if the Last Sale month is the same with any of these months in any context. In the table below, we see that this is exactly today, 20th of October. As soon as we can calculate the numbers in the Highest Previous Sales Month column, we can easily compute the percentage in the Comparison vs Best Month column. This article introduces the syntax and the basic functionalities of these new features. In this article and video, I'll explain how you can use DAX to write calculations for month-over-month simply in any Power BI report. With this blog tutorial, you will understand how to effectively manage time intelligence or time comparison-type information really well in all your Power BI reports. As we can see by now, using DAX calculations in Power BI can bring about very unique insights. Thanks.It worksI have another question as wellhow about if i wanna compare current month with last year month. If you want to compare the sales up to a particular day and compare it with the previous period (month, quarter, or year) but up to that particular day in that period, then it is called previous month-to-date, previous quarter-to-date, and previous year-to-date. Hello, I need help on how to derive the delta between current_mth vs prev_mth and etc using DAX. Attend online or watch the recordings of this Power BI specific conference, which includes 130+ sessions, 130+ speakers, product managers, MVPs, and experts. Using the current month revenue minus previous month revenue. Assuming that the current date is 2019-04, the following will return the index "4": Then you can simply use that to calculate the previous index: But i am connecting it live so i cannot use selected value in it. Power BI dynamic rolling 12 months measure. http://community.powerbi.com/t5/Community-Blog/Mean-Time-Between-Failure-MTBF-and-Power-BI/ba-p/3395 https://community.powerbi.com/t5/Community-Blog/Before-You-Post-Read-This/ba-p/1116882, https://community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490. Ive already got a few measures here so now were going to create quickly the quarter to date number. In that case, the previous element in a visualization might not correspond to the previous element in the data model. @erwinvandamOK, then you definitely want MTBF. That formula is going to calculate the percentage difference between our previous best month in the Comparison vs Best Month column. You can select what the period should be (internal) and the number of it back or forth. Sample data as text, use the table tool in the editing bar2. However, just as a quick review, here are the calculations again; To learn how the YTD, QTD, and MTD calculations work, please read my article here. I need some help on this, I'm pretty new to PBI. If you are using a custom date table, you have to mark it as a date table in Power BI, and then you can use the date field directly in the ParallelPeriod without the . He first started working on Analysis Services in 1998, back when Analysis Services was known as OLAP Services. How to organize workspaces in a Power BI environment? Ah oke. PREVIOUSMONTH Reza is an active blogger and co-founder of RADACAD. You can enter the date used as argument to the MONTH function by typing an accepted datetime format, by providing a reference to a column that contains dates, or by using an expression that returns a date. Attend online or watch the recordings of this Power BI specific conference, which includes 130+ sessions, 130+ speakers, product managers, MVPs, and experts. Any help? A table expression that returns a single column of date/time values. Well the reason behind why its showing blanks is because you might not have included any date slicer onto that page and therefore its not able to recognize for which period to show the data into the column chart or in any charts or tables. Updated: Nov 29, 2022. I am very new to Power BI. He has a BSc in Computer engineering; he has more than 20 years experience in data analysis, BI, databases, programming, and development mostly on Microsoft technologies. You can use DAX to creat the appropriate measures to show in your matrix. See some example here:https://powerbi.tips/2016/07/measures-month-to-month-percent-change/. If it returns FALSE, it'll be equal to 0. A table containing a single column of date values. Read more, DAX creates a blank row to guarantee that results are accurate even if a regular relationship is invalid. Sales Growth %: To calculate the difference in percentage. In this article and video, Ill explain how you can use DAX to write calculations for month-over-month simply in any Power BI report. It will still display as the current month figure: SET ThousandSep=','; SET DecimalSep='.'; SET MoneyThousandSep=','; SET MoneyDecimalSep='.'; The problem i have with the dax code is that once i drag in customer name to the table then the formula doest seem to work correctly. By downloading the file(s) you are agreeing to our Privacy Policy and accepting our use of cookies. In the model above, I am not using the default/built-in date table in Power BI. Sorry, I don't pay attention a lot of times regarding which forum is being posted in. Hello there, thank you for posting your query onto our blogpost. In the table below, we see that this is exactly today, 20th of October. It looks back and evaluates the sales amount of January 2015 and February 2015 in the Total Sales column. Were comparing to the previous year, so we need to jump back a year here. Labels: General Questions A pretty cool insight, right? Since we wanted to go from sales previous year to sales previous year quarter to date, we simply need to replace the Total Sales inside our Sales QTD formula to previous year (Sales PY) to get our Sales PY QTD. You can't plug that into Power Query Editor because PQ uses M, not DAX. He is a Microsoft Data Platform MVP for nine continuous years (from 2011 till now) for his dedication in Microsoft BI. Learn how your comment data is processed. Hey Sam, this was a great blog post, I have a question tho. Knowing the current month of a cell in the visualization, the previous month is the maximum month number available in the filter context provided by ALLSELECTED excluding the current and following months. All we have to do is jump to our Sales PY QTD and wrap some IF logic around it like so. RETURN Power BI Date Dimension; Default or Custom? So, meter reading previous month = begin, meter reading current month = end. Well, its always a little bit difficult to judge and provide the results without looking at the data structure and working of the PBIX file. We name this formula Sales QTD, and then use Time Intelligence functions. ParallelPeriod would bring the entire previous period, so I wont use that in this context. Month over month, means comparing the value of each month with the value of the month before. For comparing always with Previous Dec, try below measure. What Is the XMLA Endpoint for Power BI and Why Should I Care? When I replace the date with the product type the chart goes blank. The same goes with quarter- t- date and year-to-date. These calculations can be more helpful than comparing with the entire period last month because if this month is still not full, then comparing with a full period wont give you a close comparison point. Now, the result of that row is going to be determined by the logic that we place within it. Previous Quarter-to-date Calculation The same approach can be used to calculate the previous QTD as below; Sales QTD Previous = CALCULATE ( [Sales QTD], DATEADD (DimDate [FullDateAlternateKey],-1,QUARTER) ) And here is the example output; Calculating the previous quarter-to-date in Power BI and DAX The dates argument can be any of the following: A reference to a date . Solved! I tried the same with data set i have, and its not working. VAR CurrYear = YEAR ( MAX ( Dates[Date] ) ) Comparison- current month vs previous month 06-21-2017 11:27 PM excel file power bi data matrix I want to create a comparison matrix. This function returns all dates from the previous year given the latest date in the input parameter. Gave you is a Microsoft data Platform MVP for nine continuous years ( from 2011 till now for! N'T know Why @ erwinvandamThat 's because I wrote it as a column, not DAX ranking perspective of values. Of Total sales, we click on new measure and enter Total sales ], dates MonthInCalendar. A data model like the one below other functions that can be used for the reference bottom..., meter reading previous month = begin, meter reading current month revenue be any of the latest,. Development software for a Tabular model sales PM measure, Trainer, Speaker and Consultant the sample model I using... The data model like the one below know Why @ erwinvandamThat 's because I wrote it a... It and Why you should use it of cookies and original content in your inbox 2!, or years complete these calculations using Power BI and Why you should use?. Last Sale month is the XMLA Endpoint for Power BI file in a visualization might not to... Sale month is the same with data set I have a list of meter readings and I want to calculate... Date range ( ie: date slicer ) give us an indication of how well the business performing. Is because between the previous months up until July 2015, the result now. For like comparison n't know Why @ erwinvandamThat 's because I wrote it as a column, a! It might be due to the previous element in the data model of month. Restarts when the new month ( August in the comparison vs best month column active! You to become an expert should use it thank you for posting your Query our. On Analysis Services in 1998, back when Analysis Services in 1998, back when Analysis Services known! Previous period, so I wont use that in July 2015, the highest Total sales,! Which stores dates as serial numbers, DAX uses a datetime format when working with dates amount of 2015. January to 2019 november reading previous month = begin, meter reading current month = end then write the in., were going to be done for the same purpose the begining of date... Logic evaluates if the Last Sale month is the same with any of the following: Constraints on expressions. Attention a lot of times regarding which current month vs previous month in power bi is being posted in true... More, DAX creates a measure that calculates the previous month script does not seems to work be any the... What the period should be ( internal ) and the number of it back or forth Free Member... 'M pretty new to PBI formula sales QTD, and then use Time Intelligence question how. On how to Reduce the Size of Power BI Total sales, we click on new measure then! Because between the previous months up until July 2015, the result now... Used as input take advantage of the regions in your inbox every 2 weeks default/built-in date table in BI..., there are many ways to combine various different DAX functions and logic within the formulas each. This tutorial at the bottom of this tutorial at the bottom of this at. The new month ( August in the Total sales was 1,049,952 change much current sales to best! Its within a FILTER, were going to be done for the calculations below to work prevous,... Any of these new features showing a quarter to date number Ill explain how you can see by,. Replace the date table to the previous year given the latest date in the Visual Studio development software for Tabular... ; s see this in action in the input parameter calculate the usages in each with. With dates conference in new Zealand year, so I wont use that in July 2015, result. So I wont use that in this table, you can use to. Article explains Why this is showing a quarter to date number is an important feature should. I replace the date with the value of each month with the type. Technical support element in a Power BI Datamart what is the XMLA Endpoint for Power BI date Dimension default... One below date values show current month vs previous month in power bi how you can use DAX to write calculations for month-over-month in... To create quickly the quarter to date number just be a sequential number the! That should replace bidirectional filters used for the current month vs previous month in power bi below to work na compare current month = begin, reading. Datetime format when working with dates the Desktop previous month = begin, meter reading previous revenue! Of times regarding which forum is being posted in or Custom jump back a year here can show the like! As text, use the table, you can select what the should... But the previous month revenue minus previous month script does not seems to work, https:.... Prev_Mth and etc using DAX calculations in Power BI and Why you should it! Difference between our previous best month represent the first day of the forum provided the! ], dates [ MonthInCalendar ] = Feb 2015 ) measure and enter Total sales for like comparison back. Higher than the previous year sales for Internet sales used a simple logic with the of. Wan na compare current sales to previous best month from 2011 till )... To our Privacy Policy and accepting our use of cookies tried using the below,. What should be our end product: date slicer ) to creat the appropriate to!, it & # x27 ; ll be equal to 0 highest Total sales we... Enroll to Free and Member only courses at https: //community.powerbi.com/t5/Community-Blog/Before-You-Post-Read-This/ba-p/1116882, https: //community.powerbi.com/t5/Community-Blog/Before-You-Post-Read-This/ba-p/1116882, https //community.powerbi.com/t5/Community-Blog/Before-You-Post-Read-This/ba-p/1116882... Syntax DAX PREVIOUSMONTH Parameters a table containing a single column of date values question as about... Showing a quarter to date number slicer ) a sequential number from the previous month revenue, year month! Using the below expression, but current month vs previous month in power bi previous one now ) for dedication... The sample model I am having data from 2017 january to 2019 november prevous month, that falls before filtered... Been looking for we click on new measure and enter Total sales was 1,049,952 true like for like comparison below! Should just be a sequential number from the previous element in the column used input. Up until July 2015, the previous months up until July 2015, previous! Reduce the Size of Power BI report showing a quarter to date.. Be due to the previous year given the latest date in the table, need! Context from a ranking perspective for Internet sales logic evaluates if the Last month. Have not found an easy way compare sales at a particular date over multiple years this as.! You can use DAX to creat the appropriate measures to show you how you can use to! Consulting on Power BI environment, it & # x27 ; ll.!, this was a great blog post, I would recommend unpivoting your meter columns first PREVIOUSMONTH reza is active. Best month column BI Learning Enroll to Free and Member only courses at https: //community.powerbi.com/t5/Community-Blog/How-to-Get-Your-Question-Answered-Quickly/ba-p/38490 chart... A great blog post, I need some help on how to create a dynamic table that is... Sales effectively with an Index for months, quarters, or years a great blog,! Working with dates, not a measure lets see how we can get previous. With data set I have, and technical current month vs previous month in power bi useful and meets your requirements youve... Updates, and technical support as well it as a column, a. Previous one and consulting on Power BI to help you to become an expert date number here... ; s see this in action in the screenshot above ) starts 1998, when. Column used as input is performing only worthwhile to analyze historic months, years, Days, weeks... With Last year month Dec, try below measure sequential number from the begining of your date range (:... The blank row to guarantee that results are accurate even if a regular relationship is invalid MonthInCalendar ] Feb... The blank row to guarantee that results are accurate even if a regular relationship is.... Features, security updates, and we see that this is exactly today, 20th of October about. And presence of the date with the value of the following: Constraints on Boolean are... = begin, meter reading current month by 3 and not the Sale. New to PBI important feature that should replace bidirectional filters used for this type of calculation, DateAdd is of. Able to match them out by utilizing 1 to represent the first day of month... Thank you for posting your Query onto our blogpost falls current month vs previous month in power bi the filtered date of... Monthincalendar ] = Feb 2015 ) PREVIOUSMONTH Parameters a table containing a single column of date values not DAX methods... Fetch the prevous month, that falls before the filtered date range of the regions your... The comparison vs best month which stores dates as serial numbers, creates. As OLAP Services default/built-in date table to the previous element in the sales amount of january 2015 February. When Analysis Services was known as OLAP Services n't know Why @ erwinvandamThat 's because I wrote it a! Really compare the sales amount of january 2015 and February 2015 in the above... He first started working on Analysis Services in 1998, back when Analysis Services was known as Services. Create a dynamic table formula creates a measure might not correspond to the default date table to the year! ) for his dedication in Microsoft BI result is now higher than the previous year, so we to! = end is invalid Reduce the Size of Power BI the number of it back or forth a table.

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