DAX. How to use it? In this example we need to connect data from these two tables. It says: "The value for 'Decimal' cannot be determined. It takes multiple arguments and parameters to specify the table, column, and search criteria. You have to use your LOOKUPVALUE expression as a calculated column and not as a measure since the formula requires a row context. Returns all the rows in a table except for those rows that are affected by the specified column filters. Lookupvalue function in dax is one of the widely used function. LOOKUPVALUE - Returns the value for the row that meets all. A100. Learn how to use the LOOKUPVALUE function in DAX to retrieve a value from a table based on a set of criteria. 0. I am trying to populate the Manager ID Column from Employee IDText Column where all the managers' name is also in the employee Name column. Apply the formula to your visualizations, such as charts or tables, to display the variance analysis results. Date t1. Add a DAX calculated column to the SALES REPORT table: Value = Sales [QTY] * RELATED (Products [PRICE]) You can use LOOKUPVALUE to get the result from the other table if you don't have a relationship defined between the tables. Even if the relationship is inactive, it will be used and overrides. The EARLIER function gets the value of TotalSubcategorySales for the current row in the table. ちなみに、このすべての条件に一致. Using this to return the ID which matches the Name and the Latest Date: As a calculated column; LOOKUPVALUE ( Table1 [ID], Table1 [Name], [Name], Table1 [Date], [Latest Date] ) As a measure;DAX Lookupvalue using Earlier. Variables such as target revenue, growth rates, and market assumptions can be incorporated into the LOOKUPVALUE function,. Looking for a dax function to create an insight to shows all duplicates based on multiple criteria. Also note that the date April 2020 is coming from sclicer so we cannot hardcode it. RelatedValue=Lookupvalue (task [neededValue],task [IdProject],affect [IdProject]) LOOKUPVALUE Function (DAX) Regards, Xiaoxin Sheng. The unpivoted table (by creating a new tab in my Excel file and applying power query's Unpivot function, looks like: unpivot_from_table. Construct the LOOKUPVALUE DAX function by specifying the expression you want to return, the column to search in, and the conditions to be applied. DAX — Chapter 18. A100. What is LOOKUPVALUE DAX Function? Returns the value for the row that meets all criteria specified by one or more search conditions. By utilizing dynamic parameters and variables, businesses can take their revenue forecasting capabilities to the next level. 345 1 Expedited. Use LOOKUPVALUE(), there is no LOOKUP in DAX, and then another IF. 345 3. The goal of the project is to convert an old Excel file used as reporting into a power BI Project. Use the COMBINEVALUES function to create new column in each table. A table that holds the company hierarchy with the Company Location column, Company Grouping in separate columns. LOOKUPVALUE( SearchTable[name] , SearchTable[id] -- how to get the fist value, if here are multiple id? , ThisTable[id] ) DAX LOOKUPVALUE function works fine, if only one unique value is returned as a result. This function is incredibly versatile and can be used in a wide range of scenarios, allowing users to extract specific values from a data set based on conditions or filters. Instead, you pass the results of the DISTINCT function to another function that counts, filters, or aggregates values by using the list. Problem: Unfortunately, DAX LOOKUPVALUE returns the related value only if the. As the link says, RELATED is more efficient. Please close the Editor window and create a column and then try to use this formula. The result of a JOIN does not depends on the presence of a relationship in the data model. However, It is looking up the full value in the ITEM_DESCRIPTION column. So, avoid using the LOOKUPVALUE DAX function when model relationships could achieve the same result. DAX. The MAXX function then evaluates the expression used as the second argument for each row of the filtered table and returns the highest amount for taxes and shipping for just those orders. . 0. Logic: searching the FuelLevels table: search column: date/time. If the START date for UAT is greater than the START date for "NETWORK READY", output "GOOD". DAX Lookupvalue with TOPN and filter. FactRegister table. I have imported two tables from Excel, People and Counties. If the status is "In Progress" then the value in the Date column should be displayed but when the Status is "Completed", output should be just the text "Completed". Labels: Labels: Need Help; Message 1 of 3 4,486 Views 0 Reply. Get Demo Files herethis video were going to cover how you can use the LOOKUPVALUE DAX function in Power BI to match data bet. 1 KB)To learn more about best practices when working with BLANKS, see Avoid converting BLANKs to values in DAX. LOOKUPVALUE DAX in Microsoft POWER BI | Power Pivot in Excel. – Jon. I added a new column referencing to two different tables using LOOKUPVALUE but it won't show in PowerQuery. Now we can get the best player in the Country_Table using DAX function LookUpvalue or a combination of Calculate,VALUES and FILTER. You can create a calculated column with the LOOKUPVALUE DAX function in the sales tables, it worked for me. 2. With this function, you can. Hello, I have an assignment where I have to calculate the Sales based upon different currency rates, and I have the base Sales in USD. -- email (it could be different in Active Directory on. Typically, it takes values from other rows, using some key. Now, use your LOOKUPVALUE DAX on these columns: new column in second table: SPORT= LOOKUPVALUE( table_1(SPORT), table_1( SPORT_ITEM), table_2(ITEMS)) This would create the new column with SPORTS name in table 2. . The following table summarizes the variations of ALL that are provided in. DAX is a wrong tool for such tasks. )12. Lookupvalue in Range. In this scenario, to add a column using lookupvalue function, you only need to type below DAX formula into the blank textbox: NewColumn=LOOKUPVALUE (bdContactos [Name],bdContactos [ContactID],bdActions [ContactID]) Best regards, Yuliana Gu. To achieve this, follow these steps: Step-1: Create a calculated column to obtain the levels of hierarchy path using PATH DAX. Follow edited Apr 29, 2022 at 12:13. DAX. To bring in a column from another table, Merge your lookup table with your main table on the common key. So try this in New Table on the Modeling-tab: Table = CALCULATETABLE ( VALUES ( promotion. By using this function, you can easily extract relevant data for cost analysis purposes. 1. This is my DAX formula that I have in the Studio editor . 0. Viewed 4k times 1 I am trying to lookup a value from another table with a filter, and a TOPN. Value = Sales [QTY] * LOOKUPVALUE (Products. All forum topics; Previous Topic; Next Topic; 2 REPLIES 2. By understanding the different DAX functions and their applications, we can utilize their power to perform break-even analysis and gain valuable. Similar to this question, we can use TOPN to find the appropriate boundary and then take the class associated with it. Example This formula computes the increase or decrease ratio in sales compared to the previous year. This function can be used to return a specific level from a hierarchy returned by a PATH function. A table with all its original columns and the added ones. The lookup functions work by using tables and relationships, like a database. All forum topics; Previous Topic; Next Topic; 2 REPLIES 2. But when I use the exact same DAX query for Director, I get the following error: "A table of multiple values was supplied where a single value was expected. Here's a modified version of your DAX code to achieve the desired result: Assigned =. e. 1. DAX LOOKUPVALUE looking in multiple tables. A100. t1. The following is the DAX rule defined in App_Id column from DimApp table to filter the data: VAR userId = LOOKUPVALUE ( DimUser [User_Id], DimUser [Email], USERPRINCIPALNAME () ). Define the conditions that will determine which values you want to retrieve using the LOOKUPVALUE function. As I iterate through this table I'm attempting to grab the value of a column that existed. =LOOKUPVALUE( People[FullName] ,People[PersonID] ,FollowUps[OwnerID] ) Share. Thankyou for your reply, i have begun to try to lookup this issue and saw about creating the lookupvalue as a Measure, however even though the tables are related (i have linked the related fields in the 'Model' section) when. In this table I would need to add a column min_value containing the minimum value for each ID in another table Table B : I know I could use SUMMARIZE () on my Table B in order to create a calculated table with the minimum value of each ID, save this Table C and then use LOOKUPVALUE () between my Table A and Table C to get the column I. The problem is that the text is in a string and not a standalone value. have you tried LOOKUPVALUE you use it when RELATED is not an option dax. DAX A table of multiple values was supplied where a single value was expected. By using the LOOKUPVALUE function in Power BI, analysts can gain. O. – Jon. LOOKUPVALUE is a dax function similiar to VLOOKUP in excel but this should be used in Power BI Desktop. Step-1: Right-click on the dataset and select “New Column. This parameter cannot be an expression. PowerBI - Match Value from another table. The TREATAS function works in Excel since version 1809. How to lookup the values of a column in a table, if one of its column matches with the other table. I've got the code below, but this retursn all rows, instead of the earliest date within that. First it will look for Count value in Table 1, if it finds the value, then it takes the value from column "Code" in Table 1, if the Count value is not found, then it goes to Table 2, if that is not found, then it looks for "Order" value in Table 4 and takes as a response the value from colum "Code" in Table 4. Where 'Dept Name' field in Roles = 'Department' field in Access, and RoleTitle in Roles = Title in the Access table. Question: I would like to calculate earliest date of the next stage per candidate (if any) in Dax. By using this function, you can easily extract relevant data for cost analysis purposes. In plain English, I would like the DAX formula to sum the check amount if the payment type in the Financials table is Investigation. Esta función es muy parecida a VLOOKUP de Excel, y este video es una continuación al video que ya había publicado donde hablaba de RELATED. There doesn't´t have to be a relationship between these tables. A100. If specified, all columns in <partitionBy> must come from it or a related table. 1. The LOOKUPVALUE function retrieves the two values, Campaign and Media. Função RELATED. CALCULATE (FIRSTNONBLANK (contacts [emailaddress1],1),FILTER (contacts,contacts [_parentcustomerid_value]=invoices [_customerid_value] )) Solved: Hi Community I am trying to return an email address in a contacts table asscoiated with the customerID in an. The value when the context for columnName has been filtered down to one distinct value only. This should give me a new column with the following data: ROW 1 Krystle Te Raki. So in the case of john it can be 2164, 2264, 2364 etc. In the FIRSTNONBLANK function where we explicitly specify 'Table'[ID] = "0445" can we instead reference a column value? i. the same applies for. The column must be named using standard DAX syntax, usually, fully qualified. DAX formula compatibility in DirectQuery mode. FromRows (Json. It can be any DAX expression that returns a scalar value. We will delve into its syntax, parameters, and best practices to ensure accurate and efficient forecasting models. read more to replicate VLOOKUP in Power BI as well. , 'Table'[ID] = 'Table2'[ID] Essentially, I'm trying to merge data from multiple tables and I'm using the ID that exists in both tables to fetch Value2 from Table1 and save it in a. I dont really like this part, it seems messy, but it works. I have a delivery note date that i wish to determine is within my period dates, (From and To) which are in the same table. C_Costs = LOOKUPVALUE(Tab[Cost],Tab[Name No],Table2[Name No],Tab[Name],Table2[Name]) Best Regards, Community Support Team _ Eason If this post helps, then please consider Accept it as the solution to help the other members find it more quickly. The following example uses the RELATEDTABLE function to create a calculated column with the Internet Sales in the Product Category table: DAX. In this example, if "cycle" or "Cycle" is used in the <find_text> argument, results are returned for either case. The filter and value functions in DAX are some of the most complex and powerful, and differ greatly from Excel functions. The column argument can be any of the following: A reference to any column. It looks for a value of the column in a table and returns a single value. It takes multiple arguments and parameters to specify the table, column, and search criteria. . SYNTAX LOOKUPVALUE ( <result_columnName>, <search_columnName>, <search_value> [, <search2_columnName>, <search2_value>]… Download. Here is my sample data, I wanna get lookupvalue column with "Y" only when I have release in table t2 with date filter April2020 applied to t2. Regards. Some function examples, like those in CALCULATE, DATESBETWEEN, DATESIN PERIOD, IF, and LOOKUPVALUE can be added to the sample model without modification. Let me give you an. if the two items are equal filter will take those items make a virtual table and pass to the calculate and calculate simply gives you the first value of table 2 which is item is equal to. A table with a single column. Step-2: Now write DAX function to fetch salary of users from Salary table to User Table. Then you can set the value of the cell F2 as the variable. DAX IF (OR ( and LOOKUPValue in one. Column = [Decimal]/LOOKUPVALUE (Table2 [Number],Table2 [Date],Table1 [Date]) Hope this helps. How to create a calculated column in table 2 and return the color from table 1 filtering by the latest date? Thank you in advance. Learn how to use the LOOKUPVALUE function in Power BI, a similar function to VLOOKUP in Excel. Dan Paul on SUMMARIZE – groupping in data models (DAX – Power Pivot, Power BI) Haider on LOOKUPVALUE – assigning of values from other table without relation (DAX – Power Pivot, Power BI) namereunused on Remove filter in visuals; Anonymous on SUMX vs SUM – key differences very briefly (DAX – Power Pivot, Power BI) The filter and value functions in DAX are some of the most complex and powerful and differ greatly from Excel functions. Ashok Anumula Ashok Anumula. ちなみに、このすべての条件に一致. A100. VLOOKUP (Value, Range, i, TRUE) The function looks for the last value in the first column of Range that is not greater than Value, and will return the value in the i-th column on the same row. This should give me a new column with the following data: ROW 1 Krystle Te Raki. For my understanding you want to look for an empty searchValue. [SalesMan] = "LOOKUPVALUE(Users[User],Users[Login],Username())" but it seems it doesn't work. As you can see in the above table, RELATED and LOOKUPVALUE have the same result, however, each function has its own syntax and. DimUser table. 01-27-2022 09:53 AM. have you tried LOOKUPVALUE you use it when RELATED is not an option dax. It takes multiple arguments and parameters to specify the table, column, and search criteria. FONCTION LOOKUPVALUE - RECHERCHEV en DAX dans POWER BI🔥 Apprends à utiliser la fonction LOOKUPVALUE en DAX dans Power BI pour chercher, récupérer, extraire. datas are collected every months on last day. How to search for String in Unrelated Table using DAX in Power BI? 0. = MAXX(FILTER(InternetSales, [SalesTerritoryCode]="5"), InternetSales [TaxAmt]+. I want to create a Measure to Lookup the "Group Role" where the "People Leader" is TRUE and return the "Name". . See moreLearn how to use the LOOKUPVALUE function in DAX to retrieve a value from a table based on a set of criteria. DAX. This doesn't work at all for me. Whenever RLS filters are enforced on DirectQuery tables and there are relationships to other DirectQuery tables, be sure to optimize the source database. Learn how to use the LOOKUPVALUE function in DAX to return the value of a column that matches a set of criteria from another table. If there is no match that satisfies all the search values, a BLANK is returned. It would be of great help if someone could assist with the dax logic. DAX to aggregate only for values from Lookup Table. Default values with lookup function. DAX LOOKUPVALUE on text/string. 03-02-2018 02:45 AM. These it can pick. When you store a scalar value in a variable, the behavior is intuitive and common to many other languages. Table 1 and Table 2. However, It is looking up the full value in the ITEM_DESCRIPTION column. The LOOKUPVALUE DAX function in Power BI allows us to retrieve a value from a column in a table that matches the specified conditions. CROSS JOIN. 06-23-2016 01:59 AM. Even if the relationship is inactive, it will be used and overrides. Example: - 1 for NA and - 2 for Mixed. LOOKUPVALUE function is a Power BI Filter function in DAX, it returns the value for the row that meets all criteria specified by one or more search conditions. otherwise divide 'Order Details' [OrderItemCostExTax] with the value in step 3. Exchange Rate = LOOKUPVALUE ( 'Currency Rate' [Average Rate], 'Currency Rate' [CurrencyKey. By understanding the basics, syntax, and advanced techniques of the function, analysts can effectively retrieve the desired data points based on specific conditions. 3, Do something else. The relationship should be in a way that it returns one value from that table per value in the main table. Calculated Column --A Table of Multiple Values was supplied using DAX IN POWERBI - 1. Add a comment | 1 With DAX. A single value for column. 0. 2. Greg_Deckler. Is it possible to convert the datatpye of ID column in MF table to Text when writing the dax code instead of changing it in Power query. Improve this answer. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We cannot create calculated column with Lookupvalue function for the Direct Query mode table by my tests. Filter on LOOKUPVALUE (Power BI) I would like to create a new column in TABLE B to sum up the total weight from Table A. If specified, all columns in <partitionBy> must come from it or a related table. Solved! Go to Solution. I have a Master Data table and a Key table, and I need to look up 13 columns from the master data in the key table. Taking the exact same code, and referncing. The LOOKUPVALUE Function. I am new to PBI and DAX. If multiple rows match the search values and in. is. It can be any DAX expression that returns a scalar value. For ex:- If i choose J. Use FIND for case-sensitive. In this article, you will learn how to effectively use the Power BI Lookup Value function. I love LOOKUPVALUE. This is not a number, so I cannot use the calculate, can u. September 2, 2023 How to Use LOOKUPVALUE DAX function in Power BI for Forecasting In this article, we will explore the LOOKUPVALUE DAX function in. 0. powerbi; dax; powerquery; m; Share. The ALL function in the FILTER expression is not necessary here. I have the two tables separate and created a measure for each column I need to look up: Value1_Lookup = LOOKUPVALUE ('Key Table' [Score],'Key Table' [Value],SELECTEDVALUE ('Master Data' [value 1])) But I am. Chapter 18 discusses LOOKUPVALUE, SELECTEDVALUE, RELATED, and VALUES functions in DAX using Power BI. Jun 10, 2021 at 7:23. 88, the current row in the outer loop. Yes, you're right. In this article, we run through a set of queries to understand what to be aware of when working with a mixture of lowercase and uppercase strings in. Example 1. Any DAX expression that returns a table of data. One other way to do this is to use the LOOKUPVALUE functions alternative value field. Entonces lo que estamos buscando es pasar la fecha de entrega a la tabla de Ventas para poder hacer el cálculo. Constraints on Boolean expressions are described in the topic, CALCULATE function. I would like help me with my Dax Formula. DimApp table. It allows you to specify one or more conditions to filter the data and. Apply the formula to your visualizations, such as charts or tables, to display the variance analysis results. 0. In diesem Beispiel wird LOOKUPVALUE verwendet, um den Durchschnittskurs nach der Währung, die zum Bezahlen der Bestellung am Tag der Bestellung verwendet wurde, zu durchsuchen: DAX. From ( [Employee]) & "-" & (if [Wage] is null then "" else [Wage]) You can also do. @Saxon10. filter is an iterative function. This is the right way to do this. It does however support hundreds or even thousands of potential calculation formulas and queries. MVThis table will contain the values that we want to retrieve using the LOOKUPVALUE function. In this case, because the process is starting, it is the first row in the table. Remarks. Improve this question. 1 lookup formula to find a value in another table. it goes to the table 2 and picks up the item and compare to the table 1 item. 75CompletionStatus = VAR LookedUpVal = LOOKUPVALUE. As you can see, there is a large amount of code duplicated for the two columns. 45 5. En esta ocasión v. RELATED Vs LOOKUPVALUE DAX in Power BI. LookupValue: Find the Value. Using these two DAX functions, we may be able to satisfy some client requirements…AFAIK, if function is a logic function, I think you need to modify lookupvalue part as logic expression. RELATED and LOOKUPVALUE are working similarly to LOOKUP function in Excel. You don't need to use EARLIER function in this case. 2, Do other stuff, "Joe, Bob". Provide details and share your research! But avoid. Removes context filters from columns and rows in the current query, while retaining all other context filters or explicit filters. RELATED vs. It returns the value for the current row that meat the search criteria. The filter context here is PARALLELPERIOD. Step 2: Right-click on the Orders table and select the New column option from the menu bar. See the syntax, examples, and limitations of. This should provide you a table of manangers, their names and ID. DimApp table. ManagerName = LOOKUPVALUE('HR View'[Employee Name],'HR View'[PersNo. Any help will greatly appreciated. name. 0. Dear Forum. Test the function by applying it to a sample dataset and verifying that it returns the desired values. DAX. I dette eksempel bruges LOOKUPVALUE til at søge efter gennemsnitskursen for den valuta, der bruges til at betale for ordren den dag, ordren blev afgivet: DAX. Hi, This calculated column works just fine. I've got the code below, but this retursn all rows, instead of the earliest date within that. What I am trying to do is create a measure that finds the maximum Valid_From_Dttm prior to 5/1/2108 for a specific project, where Project_Milestone_Name = Project Mature. ROW 4 Henry Wong. If this post helps, then please consider Accept it as the solution to help the other members find it more quickly. Find the latest date/time, and search for this value . As the link says, RELATED is more efficient. The column I add is meant to serve as a virtual table index. You can use any column of a table in a JOIN condition. Based upon that resulting. LOOKUPVALUE – DAX Guide . The SQL language offers the following types of JOIN: INNER JOIN. Write the DAX formula, utilizing the LOOKUPVALUE function in combination with other functions to calculate the variances. SYNTAX LOOKUPVALUE ( <result_columnName>, <search_columnName>, <search_value> [, <search2_columnName>, <search2_value>]…For any Power BI-related project, LOOKUPVALUE, SELECTEDVALUE, VALUES and RELATED functions play an important role. @konstee you should create a table for name dimension with unique values for the name and set relationship with both the tables, it will be one to many relationships, in visual, use name information from this new table and rest of the columns from the respective table. You can use LOOKUPVALUE if you will only ever have one ID number per Latest Date / Name. DAX. Indeed, if LOOKUPVALUE returns TRUE, then the condition is met. A table that holds Quartiles by Different levels of a company (Company Location, Company Grouping, etc all in one column). Hi everyone, I am using Power Pivot and I have two tables loaded to the data model that has no relationship because they have multiple values. In other words, the function will not return a lookup value if only some of the criteria match. sale = LOOKUPVALUE (abc [sale],abc [Network],xyz [Network],abc [Country],xyz [Country],abc [Start. ภาษา DAX (Data Analysis eXpression) เป็นภาษาที่ใช้ในการเขียนสูตรของ Power BI และ Power Pivot ซึ่งเป็นภาษาที่มีหน้าตาภายนอกคล้ายคลึงสูตรของ Excel มากๆ แต่เบื้องลึกนั้นอาจมี. In Power Pivot for Excel create variable: MaxStartDate:=MAX (Table1 [StartDate]) 2. table. The LOOKUPVALUE DAX function is a useful tool for retrieving values from a table in Power BI. DO for the sample queries and removing the outdated part. //keshav. この例では、 Sales テーブルで定義されている次の計算列は、LOOKUPVALUE 関数を使用して、 Sales Order テーブルからチャネル値を返します。. see the last comparison in the example below -. Referencing a column from a virtual table within a LOOKUPVALUE function. Designing an effective data model with appropriate relationships, columns, and measures lays a strong foundation for LOOKUPVALUE and other DAX. DAX Nesting Multiple IF statements. Welcome back to the Power Pivot Principles blog. See the syntax, return values, remarks, and examples of the function with different scenarios and scenarios. it goes to the table 2 and picks up the item and compare to the table 1 item. Lookupvalue in Range. IF ( ISBLANK ( Table1[Column1] ), IF ( LOOKUPVALUE ( Table2[Column], Table2[Column], Table1[Column1] ) = Table1[Column1], "True", "False" ), "Data missing" ) If you want to check is blank. For the TEST_YIELD column I used the following column DAX: TEST_YIELD = var childYield = LOOKUPVALUE(PRODUCTS[TEST_RESULT], PRODUCTS[PRODUCT_LINE], PRODUCT_TREE[CHILD], 0. To use the LOOKUPVALUE function effectively in Power BI, follow these steps:1. Message 3 of 6 2,612 Views 0 Reply. In Table1, columns Crew and Shift work with the LOOKUPVALUE function. DAXCopy. Exchange Rate = LOOKUPVALUE ( 'Currency Rate' [Average Rate], 'Currency Rate' [CurrencyKey], [CurrencyKey], 'Currency Rate' [DateKey],. For example, the code. Anyone have a ny ideas would be appreciated. Learn how to use the LOOKUPVALUE function in Power BI to retrieve the name of the country from the Master table based on the state from the Employee. I tried to do = LOOKUPVALUE( 'Table 2'[Business], 'Table2'[Job ID], 'Table 1'[Job ID]). Power Platform Integration - Better Together! COVID-19 Data Stories Gallery. This browser is no longer supported. The syntax for the lookupvalue function is. LOOKUPVALUE in Microsoft's online documentation on. UPDATE 2023-03-17 : Fixed an incorrect description before example #11. (Optional) A table expression from which the output row is returned. Line Margin = Sales [Line Amount] - Sales [Discount Pct] Discount PCt = DIVIDE ( Sales [Line Margin], Sales [Line Amount] ) Copy Conventions # 1. LOOKUPVALUE: Returns the value for the row that meets all criteria specified by search conditions. In your case it would be lookupvalue (d [subject],d [course_id],f [course_id]). I may have values in there which would read Baseballbat only. FactRegister table. Formulas in Power BI can be created using the DAX language. September 2, 2023 How to Use LOOKUPVALUE DAX function in Power BI for Forecasting In this article, we will explore the LOOKUPVALUE DAX function in Power BI and how it can be used for forecasting. This could be the sales column, product category column, or any other relevant column. Roles. Dax LOOKUPVALUE for duplicates values and different length values 02-01-2022 06:57 AM. To use the LOOKUPVALUE function for risk assessment in Power BI, follow these steps: Identify the tables and columns relevant to the risk assessment. Return value. 4. It looks like you want to assign the "Assignee" value to each row in your table based on certain conditions. 3. In this video you will learn to use LookupValue function in Power BI.