/Python/Find frequency of numbers in list python

Find frequency of numbers in list python

from collections import Counter

def frequency_table(n):
    table = Counter(n)
    print('Number\tFrequency')
    for number in table.most_common() :
        print('{0}\t{1}'.format(number[0], number[1]))
        
# src : Doing Math With Python

List count frequency python

import collections
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
counter=collections.Counter(a)
print(counter)
# Counter({1: 4, 2: 4, 3: 2, 5: 2, 4: 1})
print(counter.values())
# [4, 4, 2, 1, 2]
print(counter.keys())
# [1, 2, 3, 4, 5]
print(counter.most_common(3))
# [(1, 4), (2, 4), (3, 2)]

Source: stackoverflow.com

Similar codes

2 votes258 views1 answer
Calculate root mean square error python
Python
0 vote278 views1 answer
Settings.debug django
Python Django
0 vote246 views1 answer
Find rows in dataframe from another dataframe python
Python
1 vote240 views1 answer
Import open3d Illegal instruction (core dumped)
Python
0 vote274 views1 answer
Pass list of columns names in pandas
Python
70 votes246 views6 answers
Get list of files in directory python
Python
23 votes260 views6 answers
Check tensorflow version
Python
0 vote273 views1 answer
Pandas pull value from column
Python
-1 vote257 views2 answers
Insert into string python more than one
Python
4 votes267 views2 answers
How to get the most common number in python
Python