/Python/Equivalent of case_when in r in pandas

Equivalent of case_when in r in pandas

conditions = [
    (df["age"].lt(10)),
    (df["age"].ge(10) & df["age"].lt(20)),
    (df["age"].ge(20) & df["age"].lt(30)),
    (df["age"].ge(30) & df["age"].lt(50)),
    (df["age"].ge(50)),
]
choices = ["baby", "kid", "young", "mature", "grandpa"]

df["elderly"] = np.select(conditions, choices)

# Results in:
#      name  age  preTestScore  postTestScore  elderly
#  0  Jason   42             4             25   mature
#  1  Molly   52            24             94  grandpa
#  2   Tina   36            31             57   mature
#  3   Jake   24             2             62    young
#  4    Amy   73             3             70  grandpa

Source: stackoverflow.com

Similar codes

5 votes125 views6 answers
Python speech to text
Python
0 vote116 views1 answer
Check if any entries arte none
Python
0 vote116 views1 answer
Pyqt5 qpush button pressed
Python
27 votes118 views4 answers
Discord.py status
Python
0 vote115 views1 answer
Numpy sqrt
Python
33 votes119 views4 answers
Python check folder exist
Python
0 vote116 views1 answer
Every second value python
Python
2 votes121 views2 answers
Python threading return value
Python
1 vote117 views1 answer
Findfont: Font family ['Times New Roman'] not found. Falling back to DejaVu Sans. findfont: Font family ['Times New Roman'] not found. Falling back to DejaVu Sans.
Python
0 vote142 views3 answers
Hashing in python
Python