statistical-algorithms

Z score for Outlier Detection - Python

Last Updated: 03 April 2025

Z score (or standard score) is an important concept in statistics. It helps to understand if a data value is greater or smaller than the mea...read more

Machine Learning

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Last Updated: 10 February 2025

Statistics serves as the backbone of data science providing tools and methodologies to extract meaningful insights from raw data. Data scie...read more

Program to find simple moving average

Last Updated: 01 August 2022

Simple Moving Average is the average obtained from the data for some t period of time . In normal mean, it's value get changed with the chan ...read more

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Rank of all elements in an array

Last Updated: 29 March 2024

Given an array of N integers with duplicates allowed. All elements are ranked from 1 to N in ascending order if they are distinct. If there ...read more

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Program to Find Correlation Coefficient

Last Updated: 21 March 2025

The correlation coefficient is a statistical measure that helps determine the strength and direction of the relationship between two variabl ...read more

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Program for Variance and Standard Deviation of an array

Last Updated: 29 July 2024

Given an array, we need to calculate the variance and standard deviation of the elements of the array.Examples :Input : arr[] = [1, 2, 3, 4 ...read more

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Mean of an Array

Last Updated: 18 March 2025

Given an array arr[]. The task is to find the mean(floor value) of the array.Examples:Input: arr[] = [1, 3, 4, 2, 6, 5, 8, 7]Output: 4Explan ...read more

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Find median in row wise sorted matrix

Basic Coding Problems

Last Updated: 23 January 2025

Given a row-wise sorted matrix mat[][] of order n * m, where the number of rows and columns are always odd. The task is tofind the median of ...read more

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Median of Stream of Running Integers using STL

Last Updated: 02 June 2023

Given that integers are being read from a data stream. Find the median of all the elements read so far starting from the first integer till ...read more

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Find median of BST

Last Updated: 21 February 2023

Given a Binary Search Tree, find the median of it.If number of nodes are even: then median = ((n/2th node + ((n)/2th+1) node) /2If number of...read more

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Median of two Sorted Arrays of Different Sizes

Last Updated: 27 April 2025

Given two sorted arrays, a[] and b[], the task is to find the median of these sorted arrays. Assume that the two sorted arrays are merged an...read more

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Find Median from Running Data Stream

Last Updated: 17 February 2025

Given a data stream arr[] where integers are read sequentially, the task is to determine the median of the elements encountered so far after ...read more

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Median of two sorted arrays of same size

Last Updated: 02 January 2025

Given 2 sorted arrays a[] and b[], each of size n, the task is to find the median of the array obtained after merging a[] and b[]. Note: Sin...read more