Data Science Articles

Susan Maina

Updated on May 22, 2025

You can put a for loop inside an if statement (and vice versa) in Python using nested control flow. For loops complete an iterative action for a defined number of elements, while if statements test a condition and then complete an action.

Wai Foong Ng

Updated on May 22, 2025

ExcelJS is a JavaScript package for managing Excel spreadsheets and workbooks. It can be used to read, manipulate and write spreadsheet data to XLSX and JSON.

Tara Boyle

Updated on May 22, 2025

Glob is a Python module that’s used to search for file path names that match a specific pattern. Here’s how to use it.

Vinay Kudari

Updated on May 22, 2025

SQLAlchemy is a Python library that provides a Pythonic way of interacting with relational databases and can help you streamline your workflow. Here’s what you need to know.

Luuk Derksen

Updated on May 22, 2025

T-distributed stochastic neighbor embedding (t-SNE) is a non-linear dimensionality reduction technique used to visualize high-dimensional data in a low-dimensional 2D or 3D space. Here's how to apply it in Python.

Abhijeet Pujara

Updated on May 22, 2025

MobileNet is a mobile-first class of convolutional neural network (CNN) that was open-sourced by Google and provides a starting point for training classifiers through a lightweight model.

Sean Benhur

Updated on May 22, 2025

A Siamese neural network (SNN) is a type of neural network architecture that contains two or more identical sub-networks with the same parameters and weights. SNNs can make predictions using only a few images per class.

Anthony Corbo

Updated on May 22, 2025

A Python algorithm is a series of step-by-step instructions used to solve a problem or complete a calculation. Take a look at some of the main types of algorithms used in Python and how to write algorithms in Python.

Stephen Fordham

Updated on May 22, 2025

A Python class decorator is a class that wraps a function inside an instance of the class, allowing you to modify or extend the original function’s behavior without changing the source code. Here's how to apply it.

Parul Pandey

Updated on May 22, 2025

A vector norm is a function that measures the size or magnitude of a vector by quantifying its length from the origin. Vector norms are an important concept to machine learning. This guide breaks down the idea behind the L¹, L², L∞ and Lᵖ norms.