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

8 votes135 views1 answer
How to write a font in pygame
Python
2 votes133 views2 answers
Nltk bigrams
Python
0 vote139 views1 answer
Arabic in python
Python
0 vote135 views1 answer
Python allow null argument
Python
0 vote133 views1 answer
Get video width and height cv2
Python
5 votes166 views2 answers
Jupyter notebook to python script
Python
1 vote143 views1 answer
How to merge two column pandas
Python
8 votes138 views4 answers
Primes python
Python
1 vote136 views1 answer
Django print settings
Python
3 votes135 views3 answers
Range(n,n) python
Python