[R] $ opetator is invalid for atomic vectors

[javed khan]

Hello

I am using genetic algorithm for some optimization problem. I executed it
with 2 types of data and get results like

GA=40
GA2=60

When I combine it with resamples

Value=resamples (list (GA, GA2))

It gives me the error

$ operator is invalid for atomic vectors.

What should be the issue here?

Thanks

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