Count unique values in python

Return count of unique values pandas

#TO count repetition of each unique values(to find How many times the same-
# unique value is appearing in the data)

item_counts = df["Your_Column"].value_counts()
#Returns Dictionary => {"Value_name" : number_of_appearences}

Count unique values Pandas

df = df.groupby('domain')['ID'].nunique()

Source: codegrepper.com

Count unique values in python

words = ['a', 'b', 'c', 'a']
unique_words = set(words)             # == set(['a', 'b', 'c'])
unique_word_count = len(unique_words) # == 3

Source: stackoverflow.com

Count unique values in python

aa="XXYYYSBAA"
bb=dict(zip(list(aa),[list(aa).count(i) for i in list(aa)]))
print(bb)
# output:
# {'X': 2, 'Y': 3, 'S': 1, 'B': 1, 'A': 2}

-1

Source: stackoverflow.com

Similar codes

1 vote316 views1 answer
Kaaba python tutorial
Python
6 votes362 views5 answers
Scroll down selenium python
Python
0 vote301 views1 answer
Df groupby loop
Python
7 votes320 views2 answers
Check package version python
Python
0 vote355 views2 answers
From django.core.management import execute_from_command_line ImportError: No module named django.core.management
Python
1 vote270 views1 answer
How to get response code from requests python
Python
1 vote335 views1 answer
Django get id of newly created object
Python Django
0 vote313 views1 answer
Extract label from tf data
Python
0 vote327 views1 answer
Get random line from file python
Python
0 vote330 views1 answer
Blank lines with csv.writer
Python