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Data Science Tutorials

Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Python

Seaborn Heatmaps: A Guide to Data Visualization

Learn how to create eye-catching Seaborn heatmaps

Joleen Bothma

February 16, 2024

Python

Python NaN: 4 Ways to Check for Missing Values in Python

Explore 4 ways to detect NaN values in Python, using NumPy and Pandas. Learn key differences between NaN and None to clean and analyze data efficiently.
Adel Nehme's photo

Adel Nehme

February 15, 2024

Artificial Intelligence (AI)

Salesforce XGen-7B: A Step-by-Step Tutorial on Using And Fine-Tuning XGen-7B

Most open-source LLMs have one huge drawback - short context length. Since context length is essentially the “memory” of LLMs, this issue needs to be addressed urgently. That’s exactly what Salesforce XGen 7B LLM does - provide an impressive 8k context length. This article is a tutorial on how to use and fine-tune it.
Bex Tuychiev's photo

Bex Tuychiev

February 15, 2024

Python

Mastering the Pandas .explode() Method: A Comprehensive Guide

Learn all you need to know about the pandas .explode() method, covering single and multiple columns, handling nested data, and common pitfalls with practical Python code examples.
Adel Nehme's photo

Adel Nehme

February 14, 2024

Artificial Intelligence (AI)

An Introductory Guide to Fine-Tuning LLMs

Fine-tuning Large Language Models (LLMs) has revolutionized Natural Language Processing (NLP), offering unprecedented capabilities in tasks like language translation, sentiment analysis, and text generation. This transformative approach leverages pre-trained models like GPT-2, enhancing their performance on specific domains through the fine-tuning process.
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Josep Ferrer

February 14, 2024

Python

Exploring the Python 'Not Equal' Operator

Comparing values in Python to check if they are not equal is simple with the not equal operator. Check out this quick tutorial on how to use the not equal Python operator, as well as alternatives for comparing floats.
Amberle McKee's photo

Amberle McKee

February 14, 2024

Python

Finding the Size of a DataFrame in Python

There are several ways to find the size of a DataFrame in Python to fit different coding needs. Check out this tutorial for a quick primer on finding the size of a DataFrame. This tutorial presents several ways to check DataFrame size, so you’re sure to find a way that fits your needs.
Amberle McKee's photo

Amberle McKee

February 14, 2024

SQL

SQL NOT IN Operator: A Comprehensive Guide for Beginners

Master SQL's NOT IN operator with this beginner's guide. Learn to filter data effectively, avoid common pitfalls, and explore efficient alternatives
Abid Ali Awan's photo

Abid Ali Awan

February 9, 2024

Python

How to Delete a File in Python

File management is a crucial aspect of code handling. Part of this skill set is knowing how to delete a file. In this tutorial, we cover multiple ways to delete a file in Python, along with best practices in doing so.
Amberle McKee's photo

Amberle McKee

February 9, 2024