Tag: Tutorial

Tutorial: Installing Python on Windows

Python is a popular open-source, high-level programming language. It’s intuitive, and it offers many helpful tools and libraries — Python is a powerful data science asset to have in your toolkit. To start working with Python, we first need to download it and install it on our operating system (in this case, Windows). How to […]

Tutorial: Installing Python on Mac

Python is one of the most powerful programming languages, mostly used in data science, machine learning, and big data analytics. So, installing Python is essential for all programmers. As a novice programmer, you may be wondering how to install or update Python on your Mac properly. Here, we will walk through the different ways of […]

Tutorial: Demystifying Functions in Python

Progressing through the data science journey means encountering and dealing with increasingly complex tasks. In order to do this, you’ll need something that will “take in” data, process it in some manner, and then return some output. We can accomplish this multi-phasic process by using functions. What are functions? In the event that you would […]

Building a Recommender System with Netflix Data in R

Ok, so I finally got a chance to finish this three-part series. It’s been a long one, but better late than never. Since it’s been a while, I figured a quick recap is in order. To show how to approach an unguided data project, I decided to use some Netflix data to demonstrate the process […]

Tutorial: Web Scraping with Python Using Beautiful Soup

Learn how to scrape the web with Python! The internet is an absolutely massive source of data — data that we can access using web scraping and Python! In fact, web scraping is often the only way we can access data. There is a lot of information out there that isn’t available in convenient CSV […]

SQL Basics — Hands-On Beginner SQL Tutorial Analyzing Bike-Sharing

Learn the SQL basics and go hands-on querying databases as you analyze bike rental data in this free beginner SQL tutorial.

SQL Joins Tutorial: Working with Databases

Learn how to master joins in the SQL joins tutorial. Learn to use inner, left, right, and outer joins while analyzing CIA factbook data.

SQL Tutorial: Selecting Ungrouped Columns Without Aggregate Functions

When is a SQL query that returns the correct answer actually wrong? In this tutorial, we’re going to take a close look at a very common mistake. It’s one that will actually return the right answer, but it’s still a mistake that’s important to avoid. That probably sounds rather mysterious, so let’s dive right in. […]

Data Visualization in R with ggplot2: A Beginner Tutorial

A famous general is thought to have said, “A good sketch is better than a long speech.” That advice may have come from the battlefield, but it’s applicable in lots of other areas — including data science. “Sketching” out our data by visualizing it using ggplot2 in R is more impactful than simply describing the […]

Tutorial: Web Scraping with Python Using Beautiful Soup

Web scraping allows us to extract information from web pages. In this tutorial, you’ll learn how to perform web scraping with Python and BeautifulSoup.

How to Use If-Else Statements and Loops in R

Learn to use if-else statements, for loops, and while loops to build complex conditional programs in R, a valuable skill for aspiring data scientists and R programmers alike.

Do You Post Too Much? Analyze Your Personal Facebook Data with Python

As of Q2 2020, Facebook claims more than 2.7 billion active users. That means that if you’re reading this article, chances are you’re a Facebook user. But just how much of a Facebook user are you? How much do you really post? We can find out using Python! Specifically, we’re going to use Python to […]

How to Use Jupyter Notebook: A Beginner’s Tutorial

Use this tutorial to learn how to create your first Jupyter Notebook, important terminology, and how easily notebooks can be shared and published online.

Tutorial: Getting Started with R and RStudio

Get your R programming journey off on the right foot with this RStudio tutorial that walks through everything from installation to best practices.

Tidyverse Basics: Load and Clean Data with R tidyverse Tools

We’ll load, clean, and prep some Brooklyn real estate data for analysis using R and the tidyverse! Messy datasets are everywhere. If you want to analyze data, it’s inevitable that you will need to clean data. In this tutorial, we’re going to take a look at how to do that using R and some nifty […]