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https://issues.apache.org/jira/browse/ARROW-7018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-7018:
-----------------------------------
    Priority: Critical  (was: Major)

> [R] Special characters as question mark in parquet files
> --------------------------------------------------------
>
>                 Key: ARROW-7018
>                 URL: https://issues.apache.org/jira/browse/ARROW-7018
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: R
>    Affects Versions: 0.15.0
>         Environment: I'm running R on Windows 10
>            Reporter: Vidar Ingason
>            Priority: Critical
>             Fix For: 1.0.0
>
>
> Hello.
> I'm new to the arrow package in R and I'm having a trouble regarding special 
> characters (Icelandic). I have a large data set and everything is fine until 
> I write the file to disk and read it in again (i.e. I use write_parquet() and 
> then read_parquet()). When I read the data back in to R special characters 
> turn into question mark. I.e. Veitingastaðir becomes Veitingasta�ir.
> This does not happen when I use .csv.
> Is there anything I can do when I write the .parquet file to disk or when I 
> read it in to prevent this?



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