# How array with many NaN values convert to DataFrames with Zero instead of NaN

**URL:** https://discourse.julialang.org/t/how-array-with-many-nan-values-convert-to-dataframes-with-zero-instead-of-nan/28253
**Category:** New to Julia
**Created:** [September 1, 2019, 4:02am UTC](https://discourse.julialang.org/t/how-array-with-many-nan-values-convert-to-dataframes-with-zero-instead-of-nan/28253 "2019-09-01T04:02:01Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![jling](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jling/32/212909_2.png) [@jling](https://discourse.julialang.org/u/jling)
#### Post date: [September 1, 2019, 5:14am UTC](https://discourse.julialang.org/t/how-array-with-many-nan-values-convert-to-dataframes-with-zero-instead-of-nan/28253/2 "2019-09-01T05:14:58Z")

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[Missing Data · DataFrames.jl](https://juliadata.github.io/DataFrames.jl/stable/man/missing/) and [Replace all NaN's with zeros in DataFrame](https://discourse.julialang.org/t/replace-all-nans-with-zeros-in-dataframe/10001)

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_[View the full topic](https://discourse.julialang.org/t/how-array-with-many-nan-values-convert-to-dataframes-with-zero-instead-of-nan/28253)._