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

0 vote113 views1 answer
Spark.read.load
Python
0 vote135 views1 answer
How to get session value in django template
Python Django
3 votes118 views1 answer
Save clipboard data win32clipboard python
Python
0 vote120 views1 answer
Python all possible pairs
Python
1 vote84 views1 answer
Python remove read only file
Python
27 votes124 views3 answers
Check if string is empty python
Python
3 votes131 views2 answers
Django radio button
Python
3 votes132 views2 answers
Module 'cv2' has no 'imread' member
Python
1 vote110 views1 answer
What is kali
Python
0 vote125 views2 answers
Fibonacci sequence algorithm python
Python