return function

[rschauwecker]

I want to include in a return function, an additional filter:

example:
I close the function with

return(mp_fmp[delta_fr != 0])

however, I would like to add an additional filter, such as:
return(mp_fmp[delta_fr != 0 & f_vol.t1 > 0])
apparently there is sth wrong with the new (condition= & f_vol.t1 > 0) additional filter, but I can not figure it out from the syntaxis.

Could you please help me?
Many thanks and regards
Renzo

[Yarnabrina]

Welcome to the community!

We don't have enough information to help you.

Can you please provide a REPRoducible EXample of your problem? It provides more specifics of your problem, and it helps others to understand what problem you are facing.

In case you don't know how to make a reprex, here's a great link:

FAQ: How to do a minimal reproducible example ( reprex ) for beginners

A minimal reproducible example consists of the following items: A minimal dataset, necessary to reproduce the issue The minimal runnable code necessary to reproduce the issue, which can be run on the given dataset, and including the necessary information on the used packages. Let's quickly go over each one of these with examples: Minimal Dataset (Sample Data) You need to provide a data frame that is small enough to be (reasonably) pasted on a post, but big enough to reproduce your issue. Let's say, as an example, that you are working with the iris data frame head(iris) #> Sepal.Length Sepal.Width Petal.Length Petal.Width Species #> 1 5.1 3.5 1.4 0.…

Also, please include a sample dataset and the errors you're facing while trying return(mp_fmp[delta_fr != 0 & f_vol.t1 > 0]).