jak odstranit hodnoty na v dataframe
# if you want to delete rows containing NA values
df.dropna(inplace=True)
drop na pandy
df.dropna(inplace = True)
or
df_new = df.dropna()
prahová hodnota u pand dropna
>>>df = pd.DataFrame({"name": ['Alfred', 'Batman', 'Catwoman'],
"toy": [np.nan, 'Batmobile', 'Bullwhip'],
"born": [pd.NaT, pd.Timestamp("1940-04-25"),
pd.NaT]})
df.dropna(thresh=2)
name toy born
1 Batman Batmobile 1940-04-25
2 Catwoman Bullwhip NaT