Pandy drop řádky s nan v určitém sloupci

Příklady kódu

18
0

drop - li nan ve sloupci pandy

df = df[df['EPS'].notna()]
5
0

shazování nan v pandy dataframe

df.dropna(subset=['name', 'born'])
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

pandy drop řádky s nan v určitém sloupci

In [30]: df.dropna(subset=[1])   #Drop only if NaN in specific column (as asked in the question)
Out[30]:
          0         1         2
1  2.677677 -1.466923 -0.750366
2       NaN  0.798002 -0.906038
3  0.672201  0.964789       NaN
5 -1.250970  0.030561 -2.678622
6       NaN  1.036043       NaN
7  0.049896 -0.308003  0.823295
9 -0.310130  0.078891       NaN
1
0

drop sloupce s nan pandy

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

pandy padají s Babišem

import pandas as pd

df = pd.DataFrame({'values_1': ['700','ABC','500','XYZ','1200'],
                   'values_2': ['DDD','150','350','400','5000'] 
                   })

df = df.apply (pd.to_numeric, errors='coerce')
df = df.dropna()
df = df.reset_index(drop=True)

print (df)

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