Expert Contributors Articles

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Noah Topper Noah Topper
Updated on March 08, 2023

What Is the K-Means Clustering Algorithm?

K-means is a simple but powerful clustering algorithm in machine learning. Here, our expert explains how it works and its plusses and minuses.

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Abdishakur Hassan Abdishakur Hassan
Updated on March 08, 2023

What Is Cluster Analysis?

We use cluster analysis in machine learning, image analysis, data mining and pattern recognition. Here’s how it works and when you’ll find it most useful.

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Sara A. Metwalli Sara A. Metwalli
Updated on March 07, 2023

What Is Data Validation?

Data validation is an essential step in any data workflow. Here’s everything you need to know about data validation types and how to do it yourself.

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Abhijeet Pujara Abhijeet Pujara
Updated on March 07, 2023

Image Classification With MobileNet

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

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Peter Grant Peter Grant
Updated on March 06, 2023

What Is a Monte Carlo Simulation?

Monte Carlo simulations are a tool we use to predict the probability of various outcomes in a process that’s difficult to assess due to random variables. Here’s how to perform one yourself.

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Sergen Cansiz Sergen Cansiz
Updated on March 06, 2023

Mahalanobis Distance and Multivariate Outlier Detection in R

Mahalanobis Distance is an effective distance metric that finds the distance between a point and a distribution. It’s very effective on multivariate data.

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Eric Kleppen Eric Kleppen
Updated on March 03, 2023

What Is Sentiment Analysis?

We use sentiment analysis to gain insights into a target audience’s feelings about a particular topic. Here are the basics of sentiment analysis types and techniques.

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Akshay Kumar Akshay Kumar
Updated on March 02, 2023

How to Implement Binary Search in Python

Binary search is a method for searching a sorted list of data to find an item. Here’s how to implement it in Python.

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Lukas Oppermann Lukas Oppermann
Updated on March 02, 2023

Creating an NPM-Only Build Step for JavaScript — the Easy Way

When writing front-end code, don’t overlook the capabilities your Node.js package manager already has.

Adrienne Kline Adrienne Kline
Updated on March 02, 2023

Parametric vs. Non-Parametric Tests and When to Use Them

A parametric test makes assumptions while a non-parametric test does not assume anything.

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