If you want to transform your Excel calculations over to Power Query you might appreciate functions there that have the same syntax like in Excel itself. Today I’m going to share the Power Query function for the Excel WORKDAY function. It has exactly the same function parameters than its Excel equivalent. (If you came here … Read more
In this article I’m going to present a method about transforming multiple columns at once in a fast way. This method also allows you to reference columns that exist in your table already. As I have described in a previous article, this cannot be done using the native Table.TransformColumns function that will be applied if … Read more
The Excel NORM.INV function hasn’t made it into the standard library of M functions for Power Query yet. So here I’m sharing a custom function that replicates it. Excel NORM.INV function in Power Query The Excel NORM.INV function returns the inverse of the normal cumulative distribution for the specified mean and standard deviation. So unlike … Read more
The Black Scholes formula returns the value of European put and call options. The version I’m sharing here uses the standard normal cumulative distribution function from my previous blogpost. Algorithm For the implementation of this formula in M, I’ve used the R implementation from Financetrain for the ease of use: BlackScholes <- function(S, K, r, … Read more
If you’re looking for Excel functions in Power BI, you will recognize that much more of them have been transformed to native DAX functions than to native M functions in Power Query. One of the basic statistical functions that hasn’t made it to M is the NORM.DIST function. Excel NORM.DIST function in Power Query The … Read more
Edit: I am retiring support for this tool for now, as you can find an alternative here: Measure Killer | Brunner BI. Please feel free to use this tool as it is, but I am not fixing any bugs or provide further help for it. Power BI Cleaner is now published with ‘Power BI Sidetools’ … Read more