PowerBI DAX CALCULATE/SUM/COUNT/

1. SUM

 Custom_SUM = SUM('Table'[Column])  
//也可以添加计算  
Custom_SUM = SUM('Table'[Column])+2

2. CALCULATE(SUM...)

 Custom_CALCULATE(SUM) = CALCULATE(SUM('Table'[Column]))  
//也可以添加计算，加0可以将无结果的blank显示为0  
Custom_CALCULATE(SUM) = CALCULATE(SUM('Table'[Column])+2)

3. COUNT

 COUNTOUNT = COUNT('Table'[Column]) 
//也可以添加计算  
Custom_COUNT = COUNT('Table'[Column])+1

4.COUNTROWS

Custom_COUNTROWS = COUNTROWS('Table')  
//也可以添加计算 
Custom_COUNTROWS = COUNTROWS('Table')+1

5. COUNTBLANK 计算空值的个数

measure = COUNTBLANK('Table'[column])