Top "Frequency" questions

How to count the frequency of the elements in an unordered list?

I need to find the frequency of elements in an unordered list a = [1,1,1,1,2,2,2,2,3,3,4,5,5] output-> b = [4,4,2,1,2] Also I want to …

python counter frequency counting

Count frequency of words in a list and sort by frequency

I am using Python 3.3 I need to create two lists, one for the unique words and the other for the …

python python-3.x list frequency word

Relative frequencies / proportions with dplyr

Suppose I want to calculate the proportion of different values within each group. For example, using the mtcars data, how …

r group-by dplyr frequency

How to count how many values per level in a given factor?

I have a data.frame mydf with about 2500 rows. These rows correspond to 69 classes of objects in colum 1 mydf$V1, …

r count frequency

Getting the count of unique values in a column in bash

I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values …

bash command-line frequency

Frequency table for a single variable

One last newbie pandas question for the day: How do I generate a table for a single Series? For example: …

python statistics pandas frequency

Item frequency count in Python

Assume I have a list of words, and I want to find the number of times each word appears in …

python count frequency counting

How to find most common elements of a list?

Given the following list ['Jellicle', 'Cats', 'are', 'black', 'and', 'white,', 'Jellicle', 'Cats', 'are', 'rather', 'small;', 'Jellicle', 'Cats', 'are', …

python list frequency

How to generate a frequency table in R with with cumulative frequency and relative frequency

I'm new with R. I need to generate a simple Frequency Table (as in books) with cumulative frequency and relative …

r histogram frequency cumulative-frequency

How to get the number of the most frequent value in a column?

I have a data frame and I would like to know how many times a given column has the most …

python pandas counter frequency series