In USERELATIONSHIP, the status of a relationship is not important; that is, whether the relationship is active or not does not affect the usage of the function. You should know how to connect tables and how to work on the best model with the proper DAX filter to get the desired output. It must be an existing relationship. In this tutorial, I have shown you how to utilize supporting tables and DAX formulas, particularly with TREATAS, to create a virtual relationship and allocate monthly Budgeting Sensitivity. The returned table has one column. In this article, you learned a common dynamic RLS pattern of Excluding values. I'm trying to create a table showing the number of leads that are either open, won or lost & the amount of the won/lost based on the Open. This concern was raised in the ENTERPRISE DNA. DAX CrossFilter function in Power BI If you are familiar with relationships in Power BI, you know that there are scenarios that you may need to change the direction. DAX or Data Analysis Expressions drive all the calculations you can perform in Power BI. In order to to simplify the following DAX expression, it is better having a single column that allows a “virtual. The DIVIDE function in DAX is usually faster to avoid division-by-zero errors than the simple division operator. When using DAX, we can use the CROSSFILTER function to change how the cross-filter direction behaves between two columns defined by a relationship. It returns all the values from the column (s) or all the rows from the table, ignoring any existing filter context. Solving RLS Gotchas. At the “ Home ” tab, click on “ Enter Data ” to create a new table. Hello, I am attempting to create a measure that is responsive to a specific slicer, but not another. The CALCULATE function allows you to change the context of a calculation within a measure wherein the context is coming from the environment where your calculation is being done. Now you're tasked with clustering the values. Name: The name given to the column, enclosed in double quotes. Edit 2: It turns out that the edit relationships dialog launched by Relationships in the pivot table Analyze ribbon menu does not behave in the same way as the Power Pivot dialog, and so the following works to switch relationship direction regardless of how many tables are in your model. When looking at a report, it is natural to double-check the numbers produced. Returns a related value from another table. For every DAX function, DAX Guide offers a compatibility matrix for versions/products supported. Then, the REMOVEFILTERS() will remove any existing context filter and eventually the filter arguments evaluated during the first step will be applied, putting back any filtering that was set. How to ignore a relationship in a tabular model. the date the order was created) and the Ship Date (i. 1. See the example below for a thorough explanation. -- Third set are additional columns added to the resultset. Remarks. The problem is the ALL (Calendar) part of the formula only impacts the SUM part, it doesn't change any of the other Filters in the CALCULATE, ie FILTER (tbl;tbl [State]=50) is still impacted by the particular Week Ending value for that row in your pivot table. I need to create anothe. Power BI Model Relationships: Relevant DAX Functions. 02-08-2021 06:16 AM. When a table name is given, returns a table with the same columns and all the rows of the table (including duplicates) with the additional blank row caused by an invalid relationship if present. I tried using your measure, it wasn't working somehow. RANKX is a simple function used to rank a value within a list of values. Not recommended SELECTCOLUMNS . Consider a typical example, where you have an Orders table with different dates such as the Order Date (i. Only One to One and One to Many relationships. The “Create Table ” should be opened now to add your lookup values. the problem here is that in Table2 are multiple values of Jason and in Table1 one value. The formula gets the value of ResellerKey and then counts the number of rows in the related table that have the same reseller ID. The foundation of any good Power BI report is a well-made data model. As far as the result is concerned, it doesn’t matter which road we take to reach the destination but, we would always strive to get the most optimal solution. The first step in handling parent-child hierarchies is to flatten the. The curated content of DAX Guide makes it a go-to reference on the DAX language. Sometimes due to business logic we want to link two tables with a different key than the one already in the data model. The DaysAtCurrentGrain variable contains the number of visible rows. The table needs to include one DateTime type column. DAX. DAX Calculated column based on two columns from other table. The tree map is cross-filtering the line chart and the map. How to ignore column context in calculate dax measure. The tricky part is that I need to show it in the table visual as well but the problem is. Specifies cross filtering direction to be used in the evaluation of a DAX expression. See remarks. If the filter context is empty, a DAX expression can iterate all the rows of the tables in a data model. Relationships can, however, be disabled, or have filter context modified by model calculations that use particular DAX functions. DAX provides five functions to manage data that is presented as a parent-child hierarchy. 2) ResourceTime = This table has resource time details by date with details like [Resource ID], [Trans Date] and [Hours] To conclude, In Normal Excel we use Vlookup or Index-Match to lookup values from related tables. i need the [X] column to ignore the row context from TABLE1[KPI] while at the same time using it as a filter inside its DAX code . Here we will go through an example of how this works. There are some limitations where this DAX relationship process does not work. For example, I want to sum everything in a column called "Dollars", but only for the if the corresponding columned called "Description" does not contain parts of the word " In order to be able to filter the document names by client I have stablished a bi-directional relationship between the two tables since there is a many to one relationship. However, there are exceptions to this rule, described in this article through a simple performance analysis. If this post helps, then please consider Accept it as the solution to help the other members find it more quickly. It provides you with guidance on when to create active or inactive model relationships. My table name is All recipes. -- argument that defaults to a blank. Click to read more. DAX formulas include functions, operators, and values to perform advanced calculations on data in tables and. The IGNORE syntax can be used to modify the behavior of the SUMMARIZECOLUMNS function by omitting specific expressions from the BLANK/NULL evaluation. A simple test model: the two tables are connected thanks to the respective Dates columns. For example, I want to sum everything in a column called "Dollars", but only for the if the corresponding columned called "Description" does not contain parts of the word "Payment". Here is the problem statement: I have a measure called "Gross Sales Forecast" and filter called "Workday Indicator", which filters weekend dates. Hi guys, quick question: If I want to sum a subset of a column, for example the sum of the sales of only red products, which approach is better suited? 1. DAX is case-insensitive as a formula language. Dates. Distinguishing HASONEVALUE from ISINSCOPE. UNION in DAX. DAX CrossFilter function in Power BI If you are familiar with relationships in Power BI, you know that there are scenarios that you may need to change the direction of the relationship to a both-directional. 0. Its use is simple, but it can be a source of frustration for newbies. ”. In this example, we select First Name. By using this technique, you’ll have the ability to quickly filter your data by any of these dates. When used as filters in CALCULATE, ALLxxx functions might display unexpected behaviors. When used as a table function, ALLEXCEPT materializes all the unique combinations of the columns in the table specified in the first argument that are not listed in the following arguments. Here is the relationship in Tabular cube. The filter and value functions in DAX are some of the most complex and powerful, and differ greatly from Excel functions. N/A. Customers can call in for 'Credits' (refunds) on botched 'Orders'. The column that contains search_value. OrderYear = RELATED ( 'Date' [Year] ) Copy Conventions # 2. In other words, you can use it to apply filters to a table while there is no relationship present. . Hi Guys, Does anyone know what DAX measures are needed to allow RLS security to be ignored. The ability to create CALCULATE filter arguments with multiple columns simplifies the DAX code and usually. Importantly, ALL and ALLNOBLANKROW hide no other surprises, whereas ALLSELECTED is a very complex function. This article describes the difference between the two, explaining the details of the blank row added to tables for invalid relationships. If the relationship is valid, that is if all the rows in Sales contain a value that matches one row in Product, then the two functions behave identically. CALCULATE ( MAX ( Sales[Date] ), ALL ( ‘Date’ ) ) — ignore the selected date filter, and find the max of date in Sales table” ignores any filter on dates so basically it should always return the latest date in Sales Table. In budgeting reports, a common requirement is to show future sales forecast and actual sales volume on the same line chart. The filtering functions let you manipulate data context to create dynamic calculations. The second part of the formula, FILTER(table, expression), tells SUMX which data to use. ALLEXCEPT is seldom used as a table function. You're sort of skirting the generally intended behavior of slicers, so this isn't quite as simple as you might think it ought to be. The <weekend> and <holidays> are optional. 61 to 90 Days = CALCULATE (Sum (AccountsPayableDocument [DocumentBalance]), AgingBucket2 [BucketId] = 4). DAX is a powerful tool in the hands of a Power BI developer. As you can see, this is functioning properly as the card is displaying the corresponding defensive value in the table for the slicer selection. Hi, I have a relationship on Date between these two datasets. ; Count Values = COUNT('HR Details'[EmpId]) Where, Count Values = Measure Name; HR Details = Table Name; EmpId = Column Name; Now select the New measure. DAX filter for INCLUDE and EXCLUDE. [All 70-778 Questions] DRAG DROP -. The order master contains a column with the state for every order. The product table has a unique row and for every. Term Definition : columnName1 : The name of an existing column, using standard DAX syntax and fully qualified, that usually represents the many side of the relationship to be used; if the arguments are given in reverse order the function will swap them before using them. Here is a role defined in a user table with DAX filter below; [email]=UserPrincipalName () This DAX filter on the User table would filter the User Profile, but it won’t filter the Profile table, so as a result, it won’t filter the transaction table. As far as the result is concerned, it doesn’t matter which road we take to reach the destination but, we would always strive to get the most optimal solution. You need to create a measure to calculate the last 12 months of sales. Make sure that there is no relationship between these two tables. You could track all the data in a single table having a structure like this: CustomerID. CALCULATE ( [Sum of Value], Sellers [IsTotal] = 3 ) VAR sellersum =. There are some limitations where this DAX relationship process does not work. This article shows how to build a basic date table using a calculated table and DAX. Hi, I have a relationship on Date between these two datasets. Related articles. So if it even says "Pay" or "Paym" or "Paymen", it should not include it. e. Power BI can aggregate numeric data using a sum, average, count, minimum, variance, and much more. The Excel ribbon now has a POWER PIVOT tab. DAX filter for INCLUDE and EXCLUDE. This function can be used to obtain visual. Here is the query which Power BI. Alternatively, when the user selects Unit Price, we use the formula with Unit Price. This function performs a Context Transition if called in a Row Context. IGNORE (<expression>) With SUMMARIZECOLUMNS, DAX. DAX is case-insensitive as a formula. Bi-directional relationships play an important role when creating the following two special model relationship types: One-to-one: All one-to-one relationships must be bi-directional—it isn't possible to configure otherwise. The simplest use of this function is the following: Customer Ranking := RANKX ( ALL ( Customer ), [Sales Amount] )One of the most common transformations in Power Query is the Remove Duplicates. On yor case let's assume you have the link between date and milestone 1 active and with milestone 2 inactive you need to had the following measures. The product table has one to many relationship with the sales table as you can see below. Hopefully this is the right place to post DAX questions. In this article, we provide an introduction to CALCULATE, its behavior, and how to use it. Among these are books such as Power BI DAX Simplified, Pro Power BI Architecture, Power BI from Rookie to Rock Star, Power Query books series, Row-Level Security in Power BI and etc. OneWay: Sets the cross-filtering direction and makes the “one” side of the relationship filter the “many” side. You use USERELATIONSHIP () to switch relationships on and off. Click Home > Diagram View. For example, I have a result of 0. If you are implementing dynamic RLS, you need to have; A users table with the login id of all users. EVALUATE. DAX 101: Introducing CALCULATE in DAX. The formal definition of context transition is easy, but it hides some complexities. Actual exam question from Microsoft's PL-300. To see why relationships are useful, imagine that you track data for customer orders in your business. -- SUMMARIZECOLUMNS is the primary querying function in DAX. The end result. Neither hierarchies of variable depth nor self-joins are directly supported in a Tabular model. This expression is executed in a Row Context. ISFILTERED is your best friend when it comes to detect which level of a hierarchy you are browsing. The DAX expressions aggregating data over a parent-child hierarchy must consider the sign used to aggregate data at lower level of a hierarchy node. In this article you learn about some of those. . 2, before relationships), it was possible to count the number of records in the data source by creating a calculation with the constant value 1 and summing it. Somehow, the dax relationship only returns values where the resulting date value is not blank. There are several different ways to join. Open the Power Bi desktop and load the table data into it, From the ribbon click on the new measure option and apply the below formula: Distinct Values = CALCULATE ( DISTINCTCOUNT ( financials [Product] ), FILTER (financials,financials [Country] = "Canada" )) Where, Distinct Values = Measure name. The filter context can filter multiple columns at once. Using a single column argument, ALL returns all the unique values of the column. If you're getting these values from a column, then you can filter out empty strings and used CONCATENATEX: JoinText = CONCATENATEX ( FILTER ( Table1, LEN ( Table1 [Text] ) > 0 ), Table1 [Text], ", " )Syntax DAX USERELATIONSHIP(<columnName1>,<columnName2>) Parameters Return value The function returns no value; the function only enables the indicated relationship for the duration of the calculation. There doesn't´t have to be a relationship between these tables. bim file, and rerun the validation. Here are the measurements in DAX Studio, showing only 7ms of execution time. The Product and Stores tables each have a one-to-many relationship to the Sales table. we use DAX function STARTOFYEAR to get the first date of the year for the date which. It means that you can build a relationship or a one-to-many relationship between the date table and the new one. Table is the many side, Related. COUNTROWS ( 'Date'), DATESBETWEEN ( 'Date' [Date], Sales [Order Date], Sales [Delivery Date] – 1 ), 'Date' [IsWorkingDay] = TRUE, ALL ( Sales ) ) Copy Conventions # 2. This results in a BLANK, but in the following. The key to understanding the row context is in that “row by row”. First thing I do is copy the Customer table to be able to add the same value twice in a slicer using a calculated table: Baselineregion = DimSalesTerritory. Description. For example, When slicer Store="LRL FSS", Campaign="618", I would like to show x-axis as 202. In my visual, I want to ignore this filter for just this one measure. So far I have made a monthyear column with related refering to my date table. My question then is in which moment we’re getting some filtering on MaxFactDate so that this piece of code: Term Definition : columnName1 : The name of an existing column, using standard DAX syntax and fully qualified, that usually represents the many side of the relationship to be used; if the arguments are given in reverse order the function will swap them before using them. As linhas para as quais todas as expressões que não usam IGNORE retornam BLANK/NULL serão excluídas independentemente de as expressões que. The SELECTEDVALUE function simplifies the syntax required when you use a numeric column of an entity as a parameter in a calculation. Rename the query Internet Sales and choose the FactInternetSales table. The relationship is defined by naming, as arguments, the two columns that serve as endpoints. Context Transition. The following table summarizes the variations of ALL that are provided in. This article describes the behavior of auto-exist in DAX, explaining the side effects of combining slicers on columns of the same table in Power BI. The result is output in the column, CalculatedColumn1. If you can understand TREATAS, you’ll see that it has so many applications for you across all reports and dashboards which you’ll be creating inside. The filter context is filtering one individual value for the Product [Brand] column. Yes, you can add this line as a third filter argument in the calculat function you want to ignore the month slicer: ALL ('tableName' [monthColumnUsedAsSlicer]) Then the monthe slicer will not affect calculations. Next >> Inkey. To do that task, load the previous table of fruits into Power Query, select the column, and then select the Cluster values option in the Add column tab in the ribbon. DAX. For more information, see the Relevant DAX functions topic later in this article. Right now, the relationship between Customer and Sales is valid, meaning that all the customer keys in Sales reference an existing row in Customer. Understanding DAX Auto-Exist. If a relationship does not exist. They let you write calculations that remove or add filters, or modify relationship paths. Message 3 of 7. This article showcases the use of CONCATENATEX, a handy DAX function to return a list of values in a measure. There is an easy solution to the problem: set the relationship between Product and Sales as a bidirectional relationship. Maintaining a quality standard right from the inception of a project is our top most priority. Open the LOOKUPVALUE function now. ”. DAX Power BI: EOMONTH — End of. Using two or more columns arguments, ALL returns all the unique combinations of values in multiple columns. As an example; create a Power BI model based on DimDate, DimCustomer, DimProduct, and FactInternetSales. December 2019. Data lineage is a tag. Add a relationship using Diagram View in Power Pivot. Remarks. Next I add relationships for both. Teams. If you change the order of tables, then you get a different result; EXCEPT(Table2,Table1) This would be all rows that exists in table2 only. The two options that I recommend unchecking are: “Update or delete relationships. For example, if the fiscal year 2008 starts on July 1, 2007, then the Date table must include all. . Based on the selections of that slicer, i created two measures for the first and last date known as Board10aFirstDateSelected and Board10aLastDateSelected. A row context does not propagate through relationships. The TREATAS function applies the result of a table expression as a filter to the columns of an unrelated table. The RAD table is simple, and it is something like this, I have 4 devices and data for all the days of the year: The ideal model should have a star / snowflake structure. This article describes how to create a measure displaying the name or value of an element that has a specific ranking, with different option for. The RLS rule filters the EmailAddress column of the hidden Salesperson table by using the USERNAME DAX function. A common question is why Power BI totals are inaccurate because they do not display the sum of individual rows. Initially, open the power bi desktop and load the data into it, click on the new measure option from the ribbon and apply the below formula to calculate the Employees Count. Applied DAX with Power BI; Applied BI Semantic Model. Did this post answer your question?. The total number of rows, depending on the filter. You can edit the DAX expression of Detail Rows Expression by clicking the button on the right of the property value. SumNum = CALCULATE ( SUM ( Table1 [Num] ), KEEPFILTERS. In this case, for this measure I want to ignore the device filter from the slicer, only with the date filter. pbix file to DAX Studio and add our newly created measure to the report. A very common calculation in DAX is the year-to-date calculation (YTD), which aggregates values from the beginning of the year all the way to a certain date. I’m also turning on Performance Analyzer under the View tab in Power BI, in order to catch the query which will be executed in the background. I need to count the number of ID # in a table without any filters. Oct 13, 2020 Updated Marco Russo DAX Optimization Power BI Power Pivot UPDATE 2018-08-15: An additional technique to propagate a virtual relationship is available with. So, i have a date between type slicer on my visual. Data Analysis Expressions (DAX) language is a formula language for Power Pivot in Excel, Power BI, Azure Analysis Services, and tabular modeling in SQL Server Analysis Services. The purpose of this option is to support convenient time intelligence reporting based on date columns loaded into a model. If and when you want. 53 has been removed from North America (where California is) and is now visible in the blank row. In our example, a calculated column that computes the year of the order would be as simple as this: 1. However, in this bar chart, I don't want to use this relationship. This article provides a deep explanation of the kind of ambiguity that might appear when using bidirectional relationships. One way to achieve this is to use multiple ALL inside the calculate expression like below; Sales All Customers and Products = CALCULATE ( [Sales], ALL (DimCustomer), ALL (DimProduct) ) The expression below won’t accept any filters coming. To do this, create a new disconnected parameter table for the IDs: Use this new table for your slicer and write a measure that reads these values. Any DAX expression that returns a table. Except function in DAX. In other words, ALL clear an existing filter context on columns or table. ; The Green indicates to the rows count (Count). type, format) In file B: "product number", "sales date" and lots of sales data. Here's a good write up of why USERRELATIONSHIP won't work in this sceanrio: linky* The LOOKUPVALUE below works as well: =LOOKUPVALUE( People[FullName] ,People[PersonID]. Image by Author. In other words, it is an optimization technique used by the filtering. This article shows how to compute a running total over a dimension, like for example the date. On the left pane, select the Report icon to open the file in report view. This is called circular dependencies. To. CROSSFILTER. The column headings are recipe name and ingredient cost price. Example. Removes context filters from columns and rows in the current query, while retaining all other context filters or explicit filters. I need to write a DAX to show the count of delivery for each year. You can then go to the Current File>Data Load; disable the autodetect relationships in Power BI. In order to create a relationship in a data model in Power Pivot, Power BI, or Analysis Services Tabular, at least one side of the relationship must be tied to a column that is unique in the table. Relationship : Product -> Fact Sales (1 to Many, active) Initial Date -> Fact Sales (1 to many, inactive relation) Final Date - > Fact Sales(1 to many, active) Cube is used as source for Power Bi. DAX. Select a Join Kind. e. For example, to detect whether you are at the product level, it is enough to check whether the product. Create a summary table for the requested. Forcing a value to be zero instead of BLANK is as easy as adding zero to the value. Syntax. A both-directional relationship comes at a cost, which is mainly performance and ambiguity of the model. The SUM function is similar to the Excel function of the same name, except that it takes a. Multiple columns in the same predicate should be used only when necessary. This expression is executed in a Row Context. I need a help in creating DAX measures. The order master and calendar table are linked through the date key. The only way to know when Actual end is information in table [Cut of date] in column [End of YTD]. The result of this calculated column is – as expected – the multiplication of the two columns. • Model data needs to be refreshed. 1 was assigned to each row in the data source so the sum was equal to the number of rows. Initially, open the power bi desktop and load the data into it, click on the new measure option from the ribbon and apply the below formula into it. On the Overview page, with nothing selected on the report canvas, select the Slicer icon in the Visualizations pane to create a. I’ve tried wrapping the orginal measure with a ALL and ALLEXCEPT but when i drill through the data the results. Line Margin = Sales [Line Amount] - Sales [Discount Pct] Discount PCt = DIVIDE ( Sales [Line Margin], Sales [Line Amount] ) Copy Conventions # 1. In this article. The custom DAX formula reduces the execution time by 20% compared to v1 ( LASTNONBLANK) and by 35% compared to v2 ( LASTNONBLANKVALUE ). DAX measures can be based on standard aggregation functions, such as COUNT or SUM. The first argument is the “Result Column Name” since we are looking for the discount percentage from “Discount_Table,” choose the “Discount %” column name from “Discount_Table. If the function finds no rows to count, it returns a blank. Learn more about TeamsIn this article. Because the active relationship is the one between Sales [OrderDate] and Date [Date], the result is the year of the order for each row. For example, in an Employees table that contains employees, the managers of employees, and the managers of the managers, you can return the path that connects an employee to his or her manager. Learn about how to use the Power BI DAX Function called CALCULATE. As below shown, The Blue bar indicates to the fixed rows count (Count Rows ALL). 10-19-2021 01:23 PM. -- The boundaries are both included in the result. The RELATED function requires that a regular relationship exists between the current table and the table with related information. However, once you declare the <holidays> parameter, the <weekend> parameter becomes mandatory to declare, too, as we will discuss later in this tip. The syntax above is internally transformed in the following one, which you might write in an explicit way obtaining the same behavior from your DAX measure. . Learn more about CROSSFILTER in the following articles: Many-to-many relationships in Power BI and Excel 2016. SUMMARIZECOLUMNS (. 2) ResourceTime = This table has resource time details by date with details like [Resource ID], [Trans Date] and [Hours]Example. However, ALLEXCEPT is commonly used as a. How do I do this. Step-1: Load Orders dataset into Power BI. pbix file, then select Open. Here we will go through an example of how this works. I believe it is simply looking at the Trainees which are related to the event, there only being one because, of course, only one is related to that event. The total number of rows, ignoring the filter. I need to create a measure that will display how many products were selected in Product slicer. The ALLSELECTED function gets the context that represents all rows and columns in the query, while keeping explicit filters and contexts other than row and column filters. = CALCULATE(SUM(ResellerSales_USD [SalesAmount_USD]), ALLEXCEPT(DateTime, DateTime [CalendarYear])) Because the formula uses. Basic parent-child pattern. The IGNORE syntax can be used to modify the behavior of the SUMMARIZECOLUMNS function by omitting specific expressions from the BLANK/NULL evaluation. The relationship is defined by naming, as arguments, the two columns that serve as endpoints. 0. ) This now allows us to see which level I am at: Putting it all together in a DAX expression that returns a different calculation for each level. One way to achieve this is to use multiple ALL inside the calculate expression like below; Sales All Customers and Products = CALCULATE ( [Sales], ALL (DimCustomer), ALL (DimProduct) ) The expression below won’t accept any filters. If I removed the relationship I got all the entries. PATH function is used to convert the Parent-Child relationship in a delimited text format. In Power BI, there is a DAX function called USERELATIONSHIP. Prior to its. This article describes how to achieve this goal using DAX. A Bridge Table is a table that links the. e. [All PL-300 Questions] HOTSPOT -. Inactive relationship, however, only propagate filters when a DAX expression activates (uses). -- the blank row caused by an invalid. The function uses the DATESBETWEEN function, which returns a table with all the dates between the boundaries – Order Date and Delivery Date in the. Added - Sample of any missing keys to the relationships tab in the Model Metrics (these keys are not saved for privacy reasons when exporting to a vpax file) Several other fixes; v2. Now, create a new table based on CALENDARAUTO () function. Actual exam question from Microsoft's 70-778. The RANKX Power BI is one such function; it is both a scalar and an iterator. Hello everyone! I have a item master, order master und calendar table. SUMX requires a table or an expression that results in a table. Not only is the query much faster: the important parts are a better usage of the SE, vastly reduced materialization, and the missing CallbackDataIDs. Propagating filters using TREATAS in DAX. -- SUMMARIZECOLUMNS is the primary querying function in DAX. Let’s connect our . The RELATED function requires that a relationship exists between the current table and the table with related information. I am not sure if I understand relationships correctly regarding measures. In effect, ALL (Table) returns all of the values in the table, removing any filters from the context that otherwise might have been applied. VALUES DAX Function (Table manipulation) VALUES. Former versions of DAX allowed BLANK results from a Boolean expression, whereas the more recent versions (Power BI/Excel 2016/SSAS Tabular 2016) only return TRUE or FALSE from a logical. However, wherever possible DAX attempts to implicitly convert the data to the required data type. • Measure calculation logic is incorrect. Try to follow general recommendations for the Power BI data modeling (who said, Star schema and 1:M unidirectional relationships), and make sure to enforce RLS filters on dimension tables. I will use DAX Studio to measure the performance of my visuals. -- DISTINCT returns the distinct rows in the table.