drop - li nan ve sloupci pandy
df = df[df['EPS'].notna()]
odstraňte řádky nebo sloupce s hodnotou NaN
df.dropna() #drop all rows that have any NaN values
df.dropna(how='all')
drop chybějící hodnoty ve sloupci pandy
df = df[pd.notnull(df['RespondentID'])]
# Drop the missing value present in the "RespondentID" column
drop sloupce s nan pandy
>>> df.dropna(axis='columns')
name
0 Alfred
1 Batman
2 Catwoman
prahová hodnota dropna
#dropping columns having more than 50% missing values(1994/2==1000)
df=df.dropna(thresh=1000,axis=1)