rodigu opened a new issue, #50378:
URL: https://github.com/apache/arrow/issues/50378

   ### Describe the bug, including details regarding any error messages, 
version, and platform.
   
   i created a parquet file in polars where one of the columns has a Float16 
type:
   
   ```py
   import polars as pl
   
   df = pl.DataFrame(
       {"name": "john", "height": 1.78},
       schema={"name": pl.String, "height": pl.Float64},
   ).write_parquet("./data.parquet")
   ```
   
   but reading it with arrow yields a different value:
   
   ```r
   library(arrow)
   
   df <- read_parquet("./data.parquet")
   print(df)
   
   #   name height
   # 1 john  16159
   ```
   
   ### Component(s)
   
   R


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