The photo is from a Python code so how could I have the same result in Julia?

Make a dataframe containing the same data. See the package GitHub - JuliaData/DataFrames.jl: In-memory tabular data in Julia

It’s hard to give any better answer than that to such a low effort question. For advice on how to get better quality help through asking better targeted questions, I’d strongly advise reading this thread: Please read: make it easier to help you

julia> isnan.(df)

No, the equivalent of na in this context is missing. But I agree, OP needs to provide a minimum working example.

In the other thread he talks about NaN.

the other minimal answer than could be:


thank you sir