[julia-users] error of std function

[K Leo]

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|__/                   |  x86_64-linux-gnu


julia> A=rand(100)
100-element Array{Float64,1}:
 0.419648
 0.526901
 0.860331
 0.13469
 ⋮
 0.77506
 0.32526
 0.462945

julia> std(A, 10)
100-element Array{Float64,1}:
 NaN
 NaN
 NaN
 NaN
   ⋮
 NaN
 NaN
 NaN