/Python/Python calculated row in dataframe subtract

Python calculated row in dataframe subtract

# Dataframe:
# Class     math score   reading score   writing score           
# Class 1      65                73           74
# Class 2      69                66           64

df.loc['Difference'] = df.apply(lambda x: x["Class 1"] - x["Class 2"])

# Result:
# Class       math score    reading score   writing score         
# Class 1         65               73            74
# Class 2         69               66            64
# Difference      -3                7            10

Source: stackoverflow.com

Similar codes

0 vote359 views1 answer
Python qt always on top
Python
0 vote356 views1 answer
Python check column conditions
Python
0 vote367 views1 answer
Str='python' print(len(str[1:-2])) will print ____
Python
1 vote362 views1 answer
Internet Explorer Selenium
Python
16 votes356 views2 answers
Choice random python
Python
59 votes400 views3 answers
Python find index
Python
0 vote348 views1 answer
Round to nearest multiple of 5 python
Python
-1 vote354 views1 answer
How split text in python by space or newline with regex
Python
11 votes365 views3 answers
Reorder columns in python
Python
0 vote370 views4 answers
Adaptive_average_pool-2d
Python