Appending dataframes pandas

Append dataframe pandas

>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df
   A  B
0  1  2
1  3  4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2)
   A  B
0  1  2
1  3  4
0  5  6
1  7  8

Source: pandas.pydata.org

Append one row to pandas dataframe

df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)

Appending dataframes pandas

>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df
   A  B
0  1  2
1  3  4
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2)
   A  B
0  1  2
1  3  4
0  5  6
1  7  8

Source: pandas.pydata.org

Similar codes

4 votes240 views3 answers
How to write to an output file in pytion
Python
0 vote220 views1 answer
Use a library in python
Python
0 vote239 views1 answer
Time track python
Python
3 votes221 views1 answer
Nlargest
Python
0 vote237 views1 answer
Redirect if not logged in django
Python
5 votes216 views1 answer
Check is lowercase
Python
0 vote213 views1 answer
Pandas dataframe scan column for values between numbers
Python
97 votes226 views6 answers
How to read files in python
Python
2 votes238 views1 answer
No module named social_django
Python
0 vote214 views1 answer
Python disable warning deprecated
Python