Data Science Articles

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Vikram Gupta Vikram Gupta
Updated on May 22, 2025

How to Undo the Last Commit Using Git Reset Command

The git reset command modifies Git commit history and lets you return to a specific commit with three options: --soft keeps changes staged, --mixed unstages changes and --hard unstages changes and removes them from the working directory.

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Satyam Kumar Satyam Kumar
Updated on May 22, 2025

C-Means Clustering Explained

C-means clustering is a clustering technique that groups data points into different clusters and assigns a probability score, allowing a data point to belong to multiple clusters to varying degrees. Here’s how it works and how to install it on Python.

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Sadrach Pierre Sadrach Pierre
Updated on May 22, 2025

What Is a Function in Python?

A function in Python is a defined section of code that takes an input, performs a specific task and provides an output. Here, our expert introduces you to how they work in Python.

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Max Reynolds Max Reynolds
Updated on May 22, 2025

Differences Between SOQL and SQL Explained

SOQL is Salesforce’s proprietary programming language that’s used to query data directly from your Salesforce. SQL is a language used to query data from a general database. Here’s what you need to know.

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Sunny Srinidhi Sunny Srinidhi
Updated on May 22, 2025

Lemmatization in Natural Language Processing (NLP) and Machine Learning

Lemmatization is a text pre-processing technique used in natural language processing (NLP) models to break a word down to its root meaning to identify similarities. It is one of the most common text pre-processing techniques used in NLP.

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Kurtis Pykes Kurtis Pykes
Updated on May 22, 2025

Cohen’s Kappa Explained

Cohen’s kappa is a statistical metric that measures the reliability of two raters who are evaluating the same thing, accounting for the possibility that they could agree by chance. Here’s how it works and how to calculate it.

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Artturi Jalli Artturi Jalli
Updated on May 22, 2025

What Is the @ Symbol in Python and How Do I Use It?

The @ symbol in Python is used to apply a decorator to a function or method to extend its functionality, or to help perform matrix multiplication. Here's what to know about each use case.

Prakhar Rathi Prakhar Rathi
Updated on May 22, 2025

Stop Using Pip Freeze For Your Python Projects

Pip freeze only installs those packages that were installed using the pip install command. However, pip is not the only python package manager.

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Kamil Krzyk Kamil Krzyk
Updated on May 22, 2025

Cost Function of Linear Regression: Deep Learning for Beginners

A cost function in machine learning quantifies the error between a model’s predicted values and actual values, letting us measure how well a model's parameters fit given data. I’ll introduce you to two often-used regression cost functions: MAE and MSE.

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Nikola Ilic Nikola Ilic
Updated on May 22, 2025

Important Power BI Formulas for Dynamic Filters to Know

Dynamic filtering allows Power BI users to customize how data is displayed and interact with the data without using bookmarks or buttons. Follow these steps to create a dynamic filter in Power BI.

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