julia
替换missing不能直接用replace
用以下方法
(1)Missings.replace(x,0.0),注意搭配collect
(2)用ismissing()判空后再重新赋值
x = [missing,2,3,3,missing,missing]
y = collect(Missings.replace(x, 0.0))
y = Missings.replace(x,0.0) |> collect
y = x .|> (item) -> ismissing(item) ? 0.0 : item
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