/Python/Append dataframe to another dataframe

Append dataframe to another dataframe

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

Append dataframe to another dataframe

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

Source: pandas.pydata.org

How to append a dataframe to another dataframe in pandas

# all_res is list of DataFrames : [ dataframe, dataframe, ... ]
df_res = pd.concat(all_res)

Source: stackoverflow.com

Similar codes

41 votes288 views6 answers
Replace nan in pandas
Python
0 vote310 views1 answer
Python iter on a dic key value
Python
92 votes273 views6 answers
While loops python
Python
12 votes289 views4 answers
How to get distinct value in a column dataframe in python
Python
0 vote282 views1 answer
Adding column to CSV Dictreader
Python
0 vote289 views1 answer
Pyhton dms to decimal
Python
41 votes261 views2 answers
Print backwards python
Python
0 vote306 views1 answer
How to remove misspelled words in nltk
Python
3 votes282 views2 answers
Char to binary python
Python
0 vote282 views1 answer
Chrome crushs in selenium
Python