ดูว่าเป็นคอลัมน์ไม่ใช่ทั้ง nan
รหัสตัวอย่าง
ค้นหาทุก nan คอลัมน์ pandas
nan_cols = [i for i in df.columns if df[i].isnull().any()]
print("No. of columns containing null values")
print(len(df.columns[df.isna().any()]))
print("No. of columns not containing null values")
print(len(df.columns[df.notna().all()]))
print("Total no. of columns in the dataframe")
print(len(df.columns))หน้าคล้ายกัน
คล้ายกันหน้ากับตัวอย่าง
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