Questions tagged [median]
For code which finds the statistical median of a set of values.
38 questions
5 votes
1 answer
241 views
Compute rolling median absolute deviation (MAD) in R
I am computing the rolling Median Absolute Deviation (MAD) in R for outlier detection in a time series dataset. The goal is to: Detect outliers based on a rolling MAD. Exclude previously detected ...
2 votes
2 answers
437 views
Median of two sorted arrays in Python
Problem Statement (Source: Leetcode Problem 4: Median of Two Sorted Arrays [Hard])(Topics: [Array] [Binary Search] [Divide and Conquer]) Given two sorted arrays ...
5 votes
1 answer
104 views
Compute median of a histogram
Another look at finding median value. This time the input is a histogram represented as an ordered range of (value, count) pairs, or simply as a range of counts, with value inferred from position. I'...
7 votes
2 answers
1k views
Calculating the median and mode of a list of integers
Going through the Rust book for the second time as I've been wrapped up in Typescript for a while and I want to build a personal project in Rust. In chapter 8.3, there's an exercise: Given a list of ...
6 votes
2 answers
95 views
Flexible median evaluator
I recently posted an externally-evaluating median algorithm (i.e. not requiring move or copy of elements), and the feedback encouraged me to develop it further. One simple suggestion was to handle NaN ...
7 votes
2 answers
1k views
Median cut algorithm
I have implemented a simple version of the median cut algorithm. It takes a vector of Color structs representing pixel in an image. I also use the ...
4 votes
1 answer
510 views
Find median of values without copying
For practice, I've been playing with calculating median values. This time, I wanted to make something that works well without copying the input values (perhaps because they are bulky, or of a type ...
3 votes
2 answers
266 views
Generic implementation of median #2: Follow up
Follow on from this codereview: generic implementation of median As before the vector2 class is just for illustrative purposes and not the focus. I have ...
6 votes
3 answers
793 views
generic implementation of median
Below is a generic implementation of the summary statistics function Median. Discussion of efficient use of std::nth_element and ...
1 vote
1 answer
93 views
Stream that computes running median value
I was solving a DSA question, running median in a stream. And I decided to design my own stream class with additional features. ...
3 votes
1 answer
983 views
LeetCode: Sliding Window Median C#
https://leetcode.com/problems/sliding-window-median/ Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean ...
5 votes
2 answers
194 views
Rolling median function (Daily Coding Problem 377)
Given an array of numbers arr and a window of size k, print out the median of each window of size k starting from the left and moving right by one position each time. For example, given the ...
4 votes
2 answers
361 views
Finding median of sub arrays taking too much time
I'm trying to solve a programming challenge where I have to find the median of given subarrays of an array. I have used std::vector's ...
3 votes
1 answer
489 views
Find Median of Two Sorted Arrays in JS
The task is taken from leetcode There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should ...
6 votes
2 answers
2k views
Finding median from unsorted array with duplicate elements without sorting it
I am implementing a method to find the median of an unsorted array using a counting sort. I would happily go for a median of medians or selection algorithm for better performance but they are ...