Le jeudi 13 octobre 2016 à 06:45 -0700, Florian Oswald a écrit : > I mean, do I have to cycle through the array and basically clean it > of #NULL before findign the maximium or is there another way? Currently you have two solutions: julia> using NullableArrays
julia> x = NullableArray([1, 2, 3, Nullable()]) 4-element NullableArrays.NullableArray{Int64,1}: 1 2 3 #NULL julia> minimum(x, skipnull=true) Nullable{Int64}(1) Or: julia> minimum(dropnull(x)) 1 Regards > > i'm trying to understand why we don't have something similar in > > terms of comparison for Nullable as we have for DataArrays NAtype > > (below). point me to the relevant github conversation, if any, is > > fine. > > > > How would I implement methods to find the maximium of an > > Array{Nullable{Float64}}? like so? > > > > Base.isless(a::Any, x::Nullable{Float64}) = isnull(x) ? true : > > Base.isless(a,get(x)) > > > > > > ~/.julia/v0.5/DataArrays/src/operators.jl:502 > > > > # > > # Comparison operators > > # > > > > Base.isequal(::NAtype, ::NAtype) = true > > Base.isequal(::NAtype, b) = false > > Base.isequal(a, ::NAtype) = false > > Base.isless(::NAtype, ::NAtype) = false > > Base.isless(::NAtype, b) = false > > Base.isless(a, ::NAtype) = true > > > >