/Python/Create dict from two columns pandas

Create dict from two columns pandas

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

Pandas create dataframe from multiple dictionaries

sales = [{'account': 'Jones LLC', 'Jan': 150, 'Feb': 200, 'Mar': 140},
         {'account': 'Alpha Co',  'Jan': 200, 'Feb': 210, 'Mar': 215},
         {'account': 'Blue Inc',  'Jan': 50,  'Feb': 90,  'Mar': 95 }]
df = pd.DataFrame(sales)

Source: pbpython.com

Similar codes

5 votes149 views3 answers
Open mat python
Python
2 votes154 views3 answers
Sklearn version
Python
1 vote137 views1 answer
Where are python libraries installed in windows
Python
0 vote112 views6 answers
What is dii
Python
104 votes184 views4 answers
Python import text file
Python
0 vote153 views1 answer
How to add illegal characters to paths python
Python
0 vote135 views1 answer
Z
Python
0 vote163 views1 answer
Python slice second element of list of lists
Python
2 votes165 views1 answer
Generate 12 random numbers python
Python
0 vote172 views4 answers
Plot idl
Python