/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

29 votes102 views3 answers
Print no new line python
Python
3 votes97 views2 answers
Pandas df row count
Python
0 vote200 views1 answer
Basic get method in class based view django
Python Django
0 vote118 views1 answer
Add an element to list python
Python
0 vote95 views2 answers
Grid list python
Python
0 vote93 views2 answers
How to make an instagram report bot python
Python
2 votes108 views1 answer
Selenium python enter text
Python
1 vote102 views1 answer
Python 3 tkinter treeview example
Python
0 vote104 views1 answer
Python "urllib3" download and save pdf
Python
1 vote126 views1 answer
Filter with different operator in django
Python Django