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 vote118 views2 answers
Install fasttext python
Python
0 vote109 views1 answer
Django generate openapi schema command line
Python
2 votes108 views2 answers
Python number and name of weekday
Python
0 vote111 views1 answer
Numeric up down python tkinter
Python
0 vote121 views1 answer
[Solved]AttributeError: ‘numpy.ndarray’ object has no attribute ‘index’
Python
1 vote159 views1 answer
User agent for python
Python
2 votes106 views1 answer
Father's day 2020
Python
3 votes116 views1 answer
Flask upload
Python
0 vote118 views1 answer
Pandas filter column greater than
Python
0 vote156 views1 answer
Django serve media folder
Python Django