Python program to replace zeros with previous non zero value# Importing pandas package import pandas as pd # Importing numpy package import numpy as np # Creating a dictionary d = {'a':[1,0,0,2,4, 0,6,0,3,2,0, 5,2,0,5,0, 2,4,0]} # Creating a DataFrame df = pd....
#Replace negative Numbers in a Pandas DataFrame with Zero using_get_numeric_data() You can also use the protectedDataFrame._get_numeric_data()method to replace the negative numbers in a Pandas DataFrame with zero. main.py importpandasaspd df=pd.DataFrame({'A':[-1,-2,0,1,2],'B':[-3...
import pandas df = pandas.read_csv('somefile.txt') df = df.fillna(0) 你可以使用replace将NaN更改为0: import pandas as pd import numpy as np # for column df['column'] = df['column'].replace(np.nan, 0) # for whole dataframe df = df.replace(np.nan, 0) # inplace df.replace(n...