combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])pandas merge two columns from different dataframes
#suppose you have two dataframes df1 and df2, and
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')how to merge two pandas dataframes on a column
import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')merge two columns pandas
df["period"] = df["Year"] + df["quarter"]python - join two columns and transform it as index
df = DataFrame({'var_1':['a','b','c'], 'var_2':[1, 2, 3], 'var_3':['apple', 'banana', 'pear']})
cols = ['var_1', 'var_2'] # Set columns to combine
df['combined'] = df[cols].apply(lambda row: ', '.join(row.values.astype(str)), axis=1)
# Define which column is index
df_i = df.set_index('combined')
# Set the index to None
df_i.index.names = [None]how to merge two column pandas
DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]Copyright © 2021 Codeinu
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