Odstranit chybějící hodnoty z dataframe

Příklady kódu

18
0

drop - li nan ve sloupci pandy

df = df[df['EPS'].notna()]
2
0

odstraňte řádky nebo sloupce s hodnotou NaN

df.dropna()     #drop all rows that have any NaN values
df.dropna(how='all')
1
0

drop chybějící hodnoty ve sloupci pandy

df = df[pd.notnull(df['RespondentID'])]   
# Drop the missing value present in the "RespondentID" column
1
0

drop sloupce s nan pandy

>>> df.dropna(axis='columns')
       name
0    Alfred
1    Batman
2  Catwoman
0
0

prahová hodnota dropna

#dropping columns having more than 50% missing values(1994/2==1000)
df=df.dropna(thresh=1000,axis=1)

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