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

3 votes261 views1 answer
Tkinter widget span multiple colums
Python
-1 vote259 views1 answer
# get the largest number in a list and print its indexes
Python
0 vote258 views1 answer
Pandas dataframe macd
Python
0 vote275 views1 answer
Pandas index between time
Python
0 vote263 views1 answer
Train chatterbot using yml
Python
-1 vote262 views2 answers
How to clear combobox tkinter
Python
1 vote275 views1 answer
How many data types are specified to numeric values in python
Python
3 votes257 views1 answer
Python plot cut off when saving
Python
2 votes272 views2 answers
Python django query
Python
0 vote289 views1 answer
Range function in python use cases
Python