Data Science Articles

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Fahmi Nurfikri Fahmi Nurfikri
Updated on August 22, 2023

How to Build Optical Character Recognition (OCR) in Python

Optical character recognition (OCR) is a tool that can recognize text in images. Here’s how to build an OCR engine in Python.

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Sadrach Pierre Sadrach Pierre
Updated on August 17, 2023

A Guide to Python Virtual Environments

Python virtual environments help manage software dependencies and ensure code is reproducible. Our expert explains how they work and shows you how to get started with them.

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Akshay Kumar Akshay Kumar
Updated on August 16, 2023

Top 20 Technical Interview Questions with Example Answers

Technical interviews evaluate a job candidate’s technical knowledge through coding exercises, system design discussions and behavioral questions. Review these questions to prepare.

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Niklas Donges Niklas Donges
Updated on August 15, 2023

4 Disadvantages of Neural Networks

Deep learning is getting a lot of hype right now, but neural networks aren't the answer to everything.

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Akshay Kumar Akshay Kumar
Updated on August 15, 2023

Guide to the JavaScript Array Filter() Method

The JavaScript filter() method iterates through an array and returns a filtered copy with elements that meet a condition. Learn how to use it.

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Lynn Kwong Lynn Kwong
Updated on August 10, 2023

Asyncio in Python: A Guide

Asyncio is a Python library that allows us to write concurrent code using the async/await syntax. Learn how to use this library to write asynchronous code.

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Ivo Bernardo Ivo Bernardo
Updated on August 08, 2023

A Guide to Using ggmap in R

ggmap is an R package that allows users to retrieve and visualize spatial data from Google Maps, Stamen Maps, OpenStreetMap or other similar map services.

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Dr. Derek Austin Dr. Derek Austin
Updated on August 08, 2023

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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Xichu Zhang Xichu Zhang
Updated on August 05, 2023

Symmetric Matrix Properties and Applications: A Guide

A symmetric matrix is one that is equal to its transpose. Here’s how to identify one and how it can be applied.  

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Ebo Jackson Ebo Jackson
Updated on August 04, 2023

Pytest vs. Unittest: A Comparison and Guide

Pytest and Unittest are two testing frameworks in Python. Learn the features of each, the differences between them and how to test with each framework. 

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