drop if nan in column pandas
df = df[df['EPS'].notna()]find all nan columns 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))how to remove rows with nan in pandas
df.dropna(subset=[columns],inplace=True)pandas drop rows with nan in a particular column
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 NaNdrop column with nan values
fish_frame = fish_frame.dropna(axis = 1, how = 'all')drop columns with nan pandas
>>> df.dropna(axis='columns')
name
0 Alfred
1 Batman
2 CatwomanCopyright © 2021 Codeinu
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