Ансамбль деревьев

function getdata(x)
    if x isa String
        x = strip(x) 
        if x == "" || x == "NaN" || x == "nan"
            return NaN
        end
        x = replace(x, "," => ".")
        return parse(Float64, x)
    elseif x isa Number
        return Float64(x)
    else
        return NaN
    end
end