python: change column name
df = df.rename(columns = {'myvar':'myvar_new'})
python: change column name
df = df.rename(columns = {'myvar':'myvar_new'})
change name of column pandas
#df.rename() will only return a new df with the new headers #df = df.rename() will change the heders of the current dataframe df = df.rename(columns={"old_col1": "new_col1", "old_col2": "new_col2"})
changing names of column pandas
import pandas as pd # You don't need these two lines # as you already have your DataFrame in memory df = pd.read_csv("nor.txt", sep="|") df.drop(df.columns[-1], axis=1) # Get column names cols = df.columns # Create a new DataFrame with just the markdown # strings df2 = pd.DataFrame([['---',]*len(cols)], columns=cols) #Create a new concatenated DataFrame df3 = pd.concat([df2, df]) #Save as markdown df3.to_csv("nor.md", sep="|", index=False)
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