Pandas Example – Write a Pandas program to convert index of a given dataframe into a column

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(Python Example for Beginners)

 

Write a Pandas program to convert index of a given dataframe into a column.

Test Data:

0        s001     V  Alberto Franco     15/05/2002      35  street1   t1
1        s002     V    Gino Mcneill     17/05/2002      32  street2   t2
2        s003    VI     Ryan Parkes     16/02/1999      33  street3   t3
3        s001    VI    Eesha Hinton     25/09/1998      30  street1   t4
4        s002     V    Gino Mcneill     11/05/2002      31  street2   t5
5        s004    VI    David Parkes     15/09/1997      32  street4   t6

 

Sample Solution:

Python Code :


import pandas as pd

df = pd.DataFrame({
    'school_code': ['s001','s002','s003','s001','s002','s004'],
    'class': ['V', 'V', 'VI', 'VI', 'V', 'VI'],
    'name': ['Alberto Franco','Gino Mcneill','Ryan Parkes', 'Eesha Hinton', 'Gino Mcneill', 'David Parkes'],
    'date_of_birth': ['15/05/2002','17/05/2002','16/02/1999','25/09/1998','11/05/2002','15/09/1997'],
    'weight': [35, 32, 33, 30, 31, 32]},
     index = ['t1', 't2', 't3', 't4', 't5', 't6'])

print("Original DataFrame:")
print(df)

print("nConvert index of the said dataframe into a column:")
df.reset_index(level=0, inplace=True)
print(df)

Sample Output:

Original DataFrame:
   school_code class            name date_of_birth  weight
t1        s001     V  Alberto Franco    15/05/2002      35
t2        s002     V    Gino Mcneill    17/05/2002      32
t3        s003    VI     Ryan Parkes    16/02/1999      33
t4        s001    VI    Eesha Hinton    25/09/1998      30
t5        s002     V    Gino Mcneill    11/05/2002      31
t6        s004    VI    David Parkes    15/09/1997      32

Convert index of the said dataframe into a column:
  index school_code class            name date_of_birth  weight
0    t1        s001     V  Alberto Franco    15/05/2002      35
1    t2        s002     V    Gino Mcneill    17/05/2002      32
2    t3        s003    VI     Ryan Parkes    16/02/1999      33
3    t4        s001    VI    Eesha Hinton    25/09/1998      30
4    t5        s002     V    Gino Mcneill    11/05/2002      31
5    t6        s004    VI    David Parkes    15/09/1997      32

 

Pandas Example – Write a Pandas program to convert index of a given dataframe into a column

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There are two sides to machine learning:

  • Practical Machine Learning:This is about querying databases, cleaning data, writing scripts to transform data and gluing algorithm and libraries together and writing custom code to squeeze reliable answers from data to satisfy difficult and ill defined questions. It’s the mess of reality.
  • Theoretical Machine Learning: This is about math and abstraction and idealized scenarios and limits and beauty and informing what is possible. It is a whole lot neater and cleaner and removed from the mess of reality.
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