Tag: Tutorials

NLP Project Part 1: Scraping the Web to Gather Data

This is the first in a series of posts describing my natural language processing (NLP) project. To really benefit from this NLP article, you should understand the pandas library and know regex for cleaning data. We’ll also focus on web scraping, so elementary knowledge of HTML (the language used for creating websites) is very helpful, […]

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 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. […]

Beginner Python Tutorial: Analyze Your Personal Netflix Data

How much time have you spent watching The Office on Netflix? Find out with this entry-level tutorial on analyzing your own Netflix usage data!

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 in 2020: 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.

Python API Tutorial: Getting Started with APIs

In this data science tutorial, learn about APIs by analyzing data from the international space station in this step-by-step Python API tutorial.

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 […]

Tutorial: Better Blog Post Analysis with googleAnalyticsR

Learn to compare blog posts on even footing by using R programming and the googleAnalyticsR package for blog data analysis in this free tutorial.

Getting Started with R Markdown — Guide and Cheatsheet

Learn the fundamentals of R markdown in this in-depth tutorial, or simply use it as a quick reference guide and cheatsheet for R markdown formatting.