append row to dataframe code example

Example 1: add rows to dataframe pandas

df = df.append({'a':1, 'b':2}, ignore_index=True)

Example 2: how to add row in spark dataframe

# Create hard coded row
unknown_list = [[‘0’, ‘Unknown’]]
# turn row into dataframe
unknown_df = spark.createDataFrame(unknown_list)
# union with existing dataframe
df = df.union(unknown_df)

Example 3: 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 4: append to pandas dataframe

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

Example 5: r dataframe append row

df[nrow(df) + 1,] = c("v1","v2")

Example 6: 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