[python] pyspark isnull 개수

데이터 분석/[Python] 기초

[python] pyspark isnull 개수

INCHELIN 2022. 10. 21. 15:34
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from pyspark.sql import functions as f

df.select([f.count(f.when(f.isnull(c),c)).alias(c) for c,t in df.dtypes if t not in ('timestamp','boolean','date')]).show()
df.select([f.count(f.when(f.isnull(c),c)).alias(c) for c,t in df.columns]).show()

 

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