# Is there a similar facility like numpy.ma.array of python in Julia?

**URL:** <https://discourse.julialang.org/t/is-there-a-similar-facility-like-numpy-ma-array-of-python-in-julia/21682>\
**Category:** General Usage\
**Tags:** question\
**Created:** [March 9, 2019, 4:23pm UTC](https://discourse.julialang.org/t/is-there-a-similar-facility-like-numpy-ma-array-of-python-in-julia/21682 "2019-03-09T16:23:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Gu\_Junhua](https://avatars.discourse-cdn.com/v4/letter/g/48db29/32.png) [@Gu\_Junhua](https://discourse.julialang.org/u/Gu_Junhua)\
**Post date:** [March 9, 2019, 4:23pm UTC](https://discourse.julialang.org/t/is-there-a-similar-facility-like-numpy-ma-array-of-python-in-julia/21682/1 "2019-03-09T16:23:52Z")

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I guess I can use `Array{Option{Missing, Int}, 1}` to emulate an array with mask?

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**Author:** ![DNF](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/dnf/32/10191_2.png) [@DNF](https://discourse.julialang.org/u/DNF)\
**Post date:** [March 9, 2019, 5:07pm UTC](https://discourse.julialang.org/t/is-there-a-similar-facility-like-numpy-ma-array-of-python-in-julia/21682/2 "2019-03-09T17:07:52Z")

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You can use `Vector{Union{Missing, Int}}`. And I think it’s the other way around: it is maskedarrays that emulate this.