/Python/Python how to create dict from dataframe based on 2 columns

Python how to create dict from dataframe based on 2 columns

Dictionary from two columns pandas

pd.Series(df.A.values,index=df.B).to_dict()

Source: stackoverflow.com

Create dict from two columns pandas

In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))

In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop

In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict()
1000 loops, best of 3: 987 us per loop

Source: stackoverflow.com

Python how to create dict from dataframe based on 2 columns

In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}

Source: stackoverflow.com

Similar codes

79 votes336 views6 answers
Python current working directory
Python
0 vote318 views1 answer
Add favicon in django admin
Python
0 vote307 views1 answer
Create Charles certificate
Python
5 votes337 views6 answers
Best python ide
Python
14 votes317 views3 answers
Python find difference between lists
Python
0 vote299 views1 answer
Python merge two lists alternating
Python
0 vote333 views1 answer
Pandas index dataframe with integers
Python
0 vote347 views1 answer
Import "whitenoise.django" could not be resolved
Python Django
12 votes340 views6 answers
How to make a list python
Python
0 vote335 views1 answer
@property python
Python