/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

1 vote401 views2 answers
Django drop database postgres
Python
0 vote356 views1 answer
Calculate iqr in python dataset example
Python
0 vote348 views1 answer
Mysql store numpy array
Python
0 vote354 views2 answers
Force garbage collection in python
Python
2 votes332 views2 answers
Terminal from python
Python
1 vote326 views1 answer
How to kill all python instancess
Python
4 votes400 views2 answers
Flask get variable from url
Python Flask
2 votes378 views2 answers
How to import somthing from another directory in pyhon
Python
5 votes351 views3 answers
Update in django orm
Python Django
9 votes331 views3 answers
How to convert lower case to upper case in python
Python