(译者注:这里用 Power Query 生成的日期表常常用于构建数据模型,并与 DAX 搭配使用。在 DAX 中的日期智能函数不能处理自定义日期区间的相关计算,需要用更通用的 DAX 处理模式,对此,在 Power BI 领域著名的 Rob Collie 总结了一个编写 DAX 公式的套路,被俗称:GFITW(Greatest Formula In The World),以便于识记...
或者做其他操作,比如如果请求第一个 url 发生错误(比如超时)那么请求备选 url 获得数据。 还有一种做法就是 if err[HasError] 因为这个属性是所有 Error 对象都含有的。 在中间步骤产生 Error 可以帮助我们早发现、早解决。但是我们的处理接下来的步骤不推荐围绕着错误进行。比如将 try otherwise 当作类似于 if t...
可以手动刷新 Power Query 查询,也可以利用特定产品(例如 Power BI)中的计划刷新功能,甚至以编程方式(通过使用 Excel 对象模型)刷新。 由于Power Query 可连接数百个数据源,并为上述每个源提供 350 多种不同类型的数据转换,因此你可以处理来自任何数据源和任何形状的数据。
IF / AND / NOT in Power Query M 05-17-2020 12:02 AM Hi all, Could anybody please convert this DAX formula in M for me? I'm stuck.. Amount = if( And( Opp[Model]="Ren", not(Opp[Type]="Ma") ), Opp[Up], Opp[AC] ) Solved! Go to Solution. Labels: Need Help ...
Question 1: In Column H is a simple formula to show the variance between columns G and F. How can I show a "null" in H when there is nothing in G? Question 2: Column F has a simple formula that ... Rex-Delson Answer 1: You can use IF funtion, if the Column G has no value...
Power Query M is used to filter, combine, and mash-up data from one or more supported data sources.
You can type in the proposed value so that Power Query can identify the pattern and formula to apply, achieving the end results. In the Add Column From Examples window, in the column called [Column1], type the value "Hugo" and then enter. Note After you press the Enter key, Power ...
Power Query里的and和or,并且与或者…… 小勤:大海,Power Query里有没有像Excel里的AND和OR函数?实在太常用了。 大海:当然有啊。但在M里是关键字,不是函数,跟if…then…else一样,对应的就是and和or,和在Excel里的含义一样,and就表示“与”/“且”,or就表示“或”。还是用个例子来说明最简单:...
Need support with a count if -formula in PowerQuery. I know how to do it in excel but not in Powerquery. I need to count the different combinations for name&stage: the list is a combination of name&city&stage, example: AdamMunichFab ...
To create Power Query formulas in Excel, you can use the Query Editor formula bar, or the Advanced Editor. There are many Power Query formulas you can use to discover, combine and refine data.