add rows to pandas dataframe code example
Example 1: add rows to dataframe pandas
df = df.append({'a':1, 'b':2}, ignore_index=True)
Example 2: how to adda vaslues to data frame
df = pd.DataFrame(columns=['A'])
for i in range(5):
df = df.append({'A': i}, ignore_index=True)
df
A
0 0
1 1
2 2
3 3
4 4
Example 3: append one row to pandas dataframe
df = df.append({'index1': value1, 'index2':value2,...}, ignore_index=True)
Example 4: pandas append index ignore
>>> df = pd.DataFrame([[1, 2], [3, 4]], columns=list('AB'))
>>> df2 = pd.DataFrame([[5, 6], [7, 8]], columns=list('AB'))
>>> df.append(df2, ignore_index=True)
A B
0 1 2
1 3 4
2 5 6
3 7 8
Example 5: 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