Data Science Articles

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Niklas Donges Niklas Donges
Updated on December 11, 2024

Types of Data in Statistics: A Guide

Nominal, ordinal, discrete and continuous data are the main types of data used in statistics. Here's a comprehensive guide to each type.

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Javaid Nabi Javaid Nabi
Updated on December 11, 2024

Machine Learning Basics Every Beginner Should Know

Machine learning is an application of artificial intelligence where a machine learns from past experiences (input data) and makes future predictions.

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Terence Shin Terence Shin
Updated on December 10, 2024

10 Advanced SQL Concepts to Know (With Examples)

Learn these 10 advanced SQL concepts to take your SQL skills to the next level.

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Dr. Derek Austin Dr. Derek Austin
Updated on December 09, 2024

Big O vs. Big Theta vs. Big Omega Notation Differences Explained

Big O, Big Theta and Big Omega notations express an algorithm’s time and space complexity. Discover what each one is and what the differences between them are.

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Giorgos Myrianthous Giorgos Myrianthous
Updated on December 09, 2024

Understanding Duck Typing in Python

Duck typing in Python is a term used to illustrate that code will execute an action based on the types of built-in objects being processed. Here’s what to know.  

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Richmond Alake Richmond Alake
Updated on December 06, 2024

Bubble Sort Time Complexity and Algorithm Explained

Bubble sort is a sorting algorithm that uses comparison methods to sort an array. It has an average time complexity of O(n^2). Here’s what you need to know.

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Richmond Alake Richmond Alake
Updated on December 05, 2024

Heap Sort, Explained

Heap sort is a sorting algorithm that organizes elements in an array into a binary heap, and then sorts that heap by moving the largest element in the array. Here’s how to implement it in Python.

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Ellen Glover Ellen Glover
Updated on December 05, 2024

What Is Explainable AI?

Explainable AI helps developers and users better understand artificial intelligence models and their decisions.

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Edward Hearn Edward Hearn
Updated on November 27, 2024

Nominal Data vs. Ordinal Data: What’s the Difference?

Ordinal data can be classified and ranked, whereas nominal data is categorized without any specific hierarchy. Let’s explore how these two data types stack up against each other and others.

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Abdishakur Hassan Abdishakur Hassan
Updated on November 26, 2024

7 Types of Thematic Maps for Geospatial Data

Here’s when and how to use these different types of thematic maps and techniques.

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