Here is how to calculate the mean by a group in R. If you are an Excel, user you might prefer to say average by a group in R. This post contains multiple scenarios that will ensure that you know some of the pitfalls and tricks.
R programming, Excel, DAX, Power BI
Here is how to calculate the mean by a group in R. If you are an Excel, user you might prefer to say average by a group in R. This post contains multiple scenarios that will ensure that you know some of the pitfalls and tricks.