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School Learning / Mathematics / Statistics

Statistics

14 posts

Feature Selection using Chi-Square Test

Last Updated: 12 December 2025

Feature selection is an important step in building machine learning models. It helps improve model performance by selecting only the most relevant features, reducing noise...read more

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Machine Learning

AI-ML-DS With Python

Practice Questions on Statistics - Advanced

Last Updated: 23 July 2025

Statistics is a branch of mathematics that involves the collection, organization, analysis, interpretation, and presentation of data. It helps us understand and interpret ...read more

School Learning

Practice Questions

Statistics Practice Questions - Basic

Last Updated: 23 July 2025

Statistics is the branch of mathematics that deals with collecting, organizing, analyzing, interpreting, and presenting data. It helps us make sense of complex data and dr...read more

School Learning

Math-Statistics

Practice Questions

Power Analysis in Statistics with R

Last Updated: 23 July 2025

Power analysis is a critical aspect of experimental design in statistics. It helps determine the sample size required to detect an effect of a given size with a certain de...read more

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Bayesian Statistics & Probability

Last Updated: 26 July 2025

Bayesian statistics sees unknown values as things that can change and updates what we believe about them whenever we get new information. It uses Bayes’ Theorem to combine...read more

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Data Science Math

Categorical Data

Last Updated: 23 July 2025

Categorical data classifies information into distinct groups or categories, lacking a specific numerical value. It refers to a form of information that can be stored and i...read more

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School Learning

Math-Statistics

QR Decomposition in Machine learning

Last Updated: 23 July 2025

QR decomposition is a way of expressing a matrix as the product of two matrices: Q (an orthogonal matrix) and R (an upper triangular matrix). In this article, I will expla...read more

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Machine Learning

Geeks Premier League

Python scikit-module

Geeks Premier League 2023

Statistics Interview Questions and Answers

Last Updated: 03 October 2025

Statistics is a branch of mathematics that focuses on the collection, organization, analysis, and interpretation of data. It helps in understanding patterns, drawing concl...read more

Math-Statistics

Interview-Questions

Interview Questions

How to Find a P-Value from a t-Score in Python?

Last Updated: 23 July 2025

In the realm of statistical analysis, the p-value stands as a pivotal metric, guiding researchers in drawing meaningful conclusions from their data. This article delves in...read more

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Machine Learning

Geeks Premier League

Geeks-Premier-League-2022

How to Perform Dunn’s Test in Python

Last Updated: 23 July 2025

Dunn's test is a statistical procedure used for multiple comparisons following a Kruskal-Wallis test. Here's a breakdown of what it does and when it's used:Table of Conte...read more

Machine Learning

Geeks Premier League

Geeks-Premier-League-2022

Python scikit-module

Pearson Correlation Coefficient

Last Updated: 23 July 2025

Pearson Correlation Coefficient (PCC) is used for measuring the strength and direction of a linear relationship between two variables. It is important in fields like data ...read more

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School Learning

Last Updated: 23 January 2026

Analysis of Variance (ANOVA) is a parametric statistical method used to determine whether there is a significant difference among the means of three or more groups by test...read more

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Machine Learning

F-Test in Statistics

Last Updated: 08 April 2026

The F-test is a statistical hypothesis testing used to compare the variances of two independent samples. It helps determine whether the variability in two populations is s...read more

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Kolmogorov-Smirnov Test (KS Test)

Last Updated: 14 February 2026

The Kolmogorov–Smirnov (KS) test is a non-parametric method for comparing probability distributions and checking if two samples differ significantly. It is widely used in ...read more

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Python Programs

Machine Learning