[ARROW-12055] [R] is.na() evaluates to FALSE on Arrow NaN values

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 5.0.0
• Component/s: R
• External issue URL: https://github.com/apache/arrow/issues/27883
• Assignee: Ian Cook
• Reporter: Ian Cook
• Created: 23/Mar/21 13:10
• Updated: 11/Jan/23 08:23
• Resolved: 17/Jul/21 18:26

Description

> is.na(NaN)
[1] TRUE 

> is.na(Scalar$create(NaN))
[1] FALSE

FWIW, NumPy/pandas also behaves like R in this regard:

> pd.isna(np.nan)
True

Issue Links

• is related to: ARROW-12850 [R] is.nan() evaluates to null on Arrow null values
• is related to: ARROW-13367 [C++] Add option to is_null kernel to return true on NaN