Introduction Data storytelling is essential for any data analyst in today's data-driven world. Raw numbers and graphs only go so far; to drive real impact, data needs a narrative that brings insights to life. Data storytelling bridges the gap between...
DateTable = CALENDAR ( DATE ( 2020, 1, 1 ), DATE ( 2022, 12, 31 ) ) To create a Date Table in Power BI using a DAX expression, you can use the CALENDAR or CALENDARAUTO functions. The CALENDAR function allows you to specify a date range, while CALEND...
TopNValues = TOPN(<N_Value>, <Table>, <OrderBy_Expression>, [<Order>[, <OrderBy_Expression>, [<Order>]]…]) The TOPN function in DAX (Data Analysis Expressions) is used to return the top 'N' rows from a specified table or expression based on a given ...
Sales PYTD = VAR StartYear = STARTOFYEAR ( PREVIOUSYEAR ( 'Calendar'[Date] ) ) VAR EndDate = LASTDATE ( SAMEPERIODLASTYEAR ( 'Calendar'[Date] ) ) RETURN CALCULATE ( [Sales], DATESBETWEEN ( 'Calendar'[Date], StartYear, EndDate ) ) Using t...
let Source = Sql.Database("YourServer", "YourDatabase"), Impressions = Source{[Schema = "dbo", Item = "Impressions"]}[Data], GroupedImpressions = Table.Group( Impressions, {"Ad_id", "Site_name", "Impression_date"}, {{"Impression...
CALCULATE ( DISTINCTCOUNT ( Balances[AccountID] ), LASTDATE ( 'Date'[Date] ) ) In data analysis, understanding the number of unique accounts at specific points in time is crucial for tracking performance and making informed decisions. The DAX expres...
Sales Previous Year = CALCULATE ( [Total Sales], PARALLELPERIOD ( 'Date'[Date], -1, YEAR ) ) The CALCULATE() function in DAX is essential for modifying the context of a calculation, allowing you to apply specific filters or conditions. When integrat...
[Country] = LOOKUPVALUE(Managers[Country], Managers[ManagerName], USERNAME()) Row Level Security (RLS) is a feature in Power BI that restricts data access for users at the row level. It ensures that users can only see the data that they are permitte...
Previous Quarter = CALCULATE ( [Total Sales], PREVIOUSQUARTER ( Date[Date] ) ) To create a measure that displays the sales from the previous quarter, you can use the PREVIOUSQUARTER function in DAX. This function returns a table that contains all th...
Consider the following two DAX expressions. First expression: Headcount = CALCULATE ( COUNTROWS ( 'Headcount' ), LASTDATE ( 'Date'[Date] ) ) Second expression: RecentSalesCount Measure RecentSalesCount = CALCULATE ( COUNTROWS ( Sales ), Sale...
