New tables can be created from existing tables using DAX functions. SUMMARIZE() function creates summary tables based on grouped data. FILTER() function returns tables based on specified conditions. SELECTCOLUMNS() function selects columns from existing tables
IFERROR function in Excel/DAX evaluates expressions and returns different values. IFERROR(value, value_if_error) handles errors in DAX/Excel
DAX is a collection of functions and operators for calculating values in Power BI. DAX helps create new information from existing model data. DAX formulas can be used for complex calculations and data analysis
DAX is Power BI's analytical expression language for transforming datasets. It combines functions and operators to create formulas without loops. Functions work in Filter or Query context for different calculations
Visual calculations are DAX expressions executed directly on visuals. Calculations can reference any data in the visual including columns and measures. Visual calculations aren't stored in the model, only on the visual. They combine simplicity of calculated columns with flexibility of measures
Percentages provide standardized data representation regardless of scale. They enable quick comparisons between different data points. Help understand data composition and distribution within context. Make complex data more accessible to broader audience