change specific column name pandas
df_new = df.rename(columns={'A': 'a'}) #change a from Achange specific column name pandas
df_new = df.rename(columns={'A': 'a'}) #change a from ARenaming row value in pandas
# if the row value in column 'is_blue' is 1
# Change the row value to 'Yes'
# otherwise change it to 'No'
df['is_blue'] = df['is_blue'].apply(lambda x: 'Yes' if (x == 1) else 'No')
# You can also use mapping to accomplish the same result
# Warning: Mapping only works once on the same column creates NaN's otherwise
df['is_blue'] = df['is_blue'].map({0: 'No', 1: 'Yes'})Copyright © 2021 Codeinu
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