Blog – Dataquest https://www.dataquest.io Aquire the data skills you need to start and advance your data science career. Thu, 25 Nov 2021 20:05:17 +0000 en-US hourly 1 https://wordpress.org/?v=5.8.2 https://www.dataquest.io/wp-content/uploads/2021/05/cropped-Black-Logo-Favicon-1.png Blog – Dataquest https://www.dataquest.io 32 32 How to Maximize Your Data Science Salary https://www.dataquest.io/blog/how-to-maximize-your-data-science-salary/ Thu, 25 Nov 2021 20:05:17 +0000 https://www.dataquest.io/?p=35411 Negotiating salaries is something many people are not comfortable with, but as the data shows, pushing through the discomfort can be incredibly rewarding. If you’re reading this as someone who’s trying to land their first job in data science or increase their income at their existing data science role, we’ve written this article for you. The […]

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Top Conferences for Data Professionals https://www.dataquest.io/blog/top-conferences-for-data-professionals/ Tue, 23 Nov 2021 14:41:42 +0000 https://www.dataquest.io/?p=35390 When it comes to data science, we all know one great way of developing knowledge and skills is to simply dive in and do the work. However, there is another way to flatten the learning curve in the data science field, and it’s by learning from more experienced and successful data professionals who can share […]

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How to Use Dataquest to Achieve Your Learning Goals https://www.dataquest.io/blog/how-to-use-dataquest-to-achieve-your-learning-goals/ Thu, 18 Nov 2021 22:01:22 +0000 https://www.dataquest.io/?p=35343 Before the COVID-19 pandemic, the amount of data being produced — and collected — on a daily basis was growing at an accelerated rate. This led to an increase in demand for data scientists all around the world. With the increase in demand came the need for specialized course offerings that could teach the right […]

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Data Science Competitions You Should Participate In https://www.dataquest.io/blog/data-science-competitions/ Mon, 15 Nov 2021 17:49:29 +0000 https://www.dataquest.io/?p=35273 It's no secret that data professionals spend a lot of time studying theory and later practicing what they learned on their own. Because of the nature of the job, being able to demonstrate your ability to solve problems is crucial when hunting for a data science job. Data science competitions are one of the best […]

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Dataquest’s Philosophy: Building the Perfect Data Science Learning Tool https://www.dataquest.io/blog/the-perfect-data-science-learning-tool/ Fri, 12 Nov 2021 00:00:00 +0000 https://dq.t79ae38x-liquidwebsites.com/2017/01/06/the-perfect-data-science-learning-tool/ Learn how Dataquest's philosophy sets our platform apart from other data science learning tools, and what we've learned from years of teaching data science.

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Learner Spotlight – Viktoria Jorayeva https://www.dataquest.io/blog/learner-spotlight-viktoria-jorayeva/ Mon, 08 Nov 2021 20:55:23 +0000 https://www.dataquest.io/?p=35200 Meet Viktoria Jorayeva, a Ukrainian student who made the transition from philology to data science in just a few months with Dataquest. As a person from a non-technical, non-mathematical background, breaking into the field of data science was possible thanks to Dataquest’s data science career path. Her story is a true inspiration to learners around the […]

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Data Science Podcasts To Start Listening Today https://www.dataquest.io/blog/data-science-podcasts-to-start-listening-today/ Fri, 05 Nov 2021 21:08:18 +0000 https://www.dataquest.io/?p=35114 Data science is a complex field to work in. However, data science podcasts introduce you to thought-provoking problems and stimulating discussions among experts in the field of information science. Whether you want to learn more about Python, explore the SQL fundamentals, or even hire a remote team, podcasts can help. As an alternative to the […]

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Enormous Survey Reveals the Best Halloween Candies https://www.dataquest.io/blog/enormous-survey-reveals-the-best-halloween-candies/ Sat, 30 Oct 2021 02:13:21 +0000 https://www.dataquest.io/?p=35001 Halloween is arguably the best holiday for those of us who like candy (which is everyone). I always loved Halloween because no matter how old you are, you probably want some type of candy. But, with the season only a few days away, you may be wondering two things: what costume will you wear, and […]

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How to Get Real-World Data Science Experience https://www.dataquest.io/blog/how-to-get-real-world-data-science-experience/ Thu, 28 Oct 2021 21:57:30 +0000 https://www.dataquest.io/?p=34908 For many up-and-coming data professionals, landing your first “real” data science job can feel like a bit of a “Catch 22.” You can’t get hired without a certain amount of professional data science experience, but you can’t get the experience without getting hired. While it may seem unreasonable for employers to expect you to have a […]

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Learn Data Science, Launch Your New Career with Dataquest https://www.dataquest.io/blog/learn-data-science-launch-new-career/ Thu, 28 Oct 2021 21:32:00 +0000 https://www.dataquest.io/?p=34925 Data professionals are in demand, and the opportunities are growing, but breaking into the field can feel overwhelming. Data science is everywhere, and data professionals work in every imaginable industry, but you’ll need a few skills before you can start a new career in data science — or advance in your existing career. That’s where […]

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Evolution of Data Science: Growth & Innovation https://www.dataquest.io/blog/evolution-of-data-science-growth-innovation/ Thu, 21 Oct 2021 19:06:22 +0000 https://www.dataquest.io/?p=34792 The term “data science” — and the practice itself — has evolved over the years. In recent years, its popularity has grown considerably due to innovations in data collection, technology, and mass production of data worldwide. Gone are the days when those who worked with data had to rely on expensive programs and mainframes. The […]

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Dataquest September Product Update https://www.dataquest.io/blog/dataquest-september-product-update/ Fri, 08 Oct 2021 10:00:19 +0000 https://www.dataquest.io/?p=34646 Hi Dataquesters! We're reaching out to update you all on the progress we've made during the month of September, and let you know about some exciting things that are just around the corner. On the menu for this month's update: a new course, new assessments, several new blog posts, and more!Content UpdatesGet ready to sharpen those […]

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17 Reasons Why You’re Getting Rejected for Data Science Jobs https://www.dataquest.io/blog/reasons-why-youre-getting-rejected-for-data-science-jobs/ Thu, 07 Oct 2021 15:18:09 +0000 https://www.dataquest.io/?p=34615  Data science jobs are abundant, and the numbers are growing. Despite the influx in demand, some data professionals are still struggling to find a job. If you’ve filled out numerous job applications you feel you’re easily qualified for, only to be rejected, you’re certainly not alone. In this article, we’ll go over some of the most […]

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Learner Spotlight: Solange Van Der Kolff https://www.dataquest.io/blog/learner-spotlight-solange-van-der-kolff/ Fri, 01 Oct 2021 18:33:11 +0000 https://www.dataquest.io/?p=34456 Meet Solange, a software engineer who got into data science because she wanted to contribute to society. She chose Dataquest to help her prepare for a database migration. Here’s her story... 1. First, what are your preferred pronouns? She/her 2. All right, Solange! What's your current job title? At which company? I am a software engineer at Livit Orthopedie. 3. Can […]

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Discovering Your Data Science Career in 2021 https://www.dataquest.io/blog/discovering-your-data-science-career/ Thu, 30 Sep 2021 15:53:43 +0000 https://www.dataquest.io/?p=34429 Careers in data science are some of the most sought-after in the world and that trend shows no signs of stopping. With the widespread use of AI, IoT devices, and streaming and real-time communication services, it’s no surprise many people are pursuing careers in data. In fact, data scientist is the second best job in […]

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Most Helpful Python Libraries for Data Cleaning in 2021 https://www.dataquest.io/blog/most-helpful-python-libraries-for-data-cleaning/ Thu, 23 Sep 2021 13:53:50 +0000 https://www.dataquest.io/?p=34349 Most surveys indicate that data scientists and data analysts spend 70-80% of their time cleaning and preparing data for analysis. For many data workers, the cleaning and preparation of data is also their least favorite part of their job, so they spend the other 20-30% of their time complaining about it . . . or […]

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Dataquest Product Update https://www.dataquest.io/blog/dataquest-product-update/ Wed, 15 Sep 2021 15:51:15 +0000 https://www.dataquest.io/?p=34052 Hi Dataquesters! We're reaching out to update you all on the progress we've made during the month of August, and let you know about some exciting things that are just around the corner. On the menu for this month's update: a new course, new assessments, several new blog posts, and more! First up, new content!We recently released […]

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Learner Spotlight: Gino Parages https://www.dataquest.io/blog/learner-spotlight-gino-parages/ Fri, 03 Sep 2021 14:49:43 +0000 https://www.dataquest.io/?p=34027 Meet Gino Parages, a former sales and IT business analyst with no coding skills who decided it was time to learn coding to give his career a boost. He chose Dataquest to help him achieve his learning goals and land the job he wanted.Here’s his story...Q: First, what are your preferred pronouns?A: He/himQ: All right, […]

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30-Day Data Science Challenge https://www.dataquest.io/blog/30-day-data-science-challenge/ Wed, 01 Sep 2021 13:19:31 +0000 https://www.dataquest.io/?p=33907 We're excited to kick off the 30 Day Dataquest Challenge! Here’s why:Building learning habits is crucial to your data career, but it can be difficult to get into a new habit. Maybe you’ve tried building before, but, time and time again, you fall off. Something comes up. What starts off exciting becomes too difficult. Before […]

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8 Rarely Used Python Libraries & How to Use Them https://www.dataquest.io/blog/8-rarely-used-python-libraries-how-to-use-them/ Sun, 29 Aug 2021 16:20:18 +0000 https://www.dataquest.io/?p=33444 The most popular Python libraries out there are usually TensorFlow, Numpy, PyTorch, Pandas, Scikit-Learn, Keras and a few others. Although you may come across these names pretty frequently there are thousands of Python libraries out there that you can work with. In this article we are going to focus on how to use Python libraries […]

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Learner Spotlight: David Rushton https://www.dataquest.io/blog/learner-spotlight-david-rushton/ Fri, 20 Aug 2021 15:12:16 +0000 https://www.dataquest.io/?p=33612 Meet David Rushton, a former Physical Education teacher who transitioned his career into data. After doing some research he found coding and decided to learn his new skills with Dataquest.Here’s his story...Q: First, what are your preferred pronouns?A: He/himQ: All right, David! What's your current job title? At which company?A: I am a Solutions Engineer […]

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How I Scraped Over 25,000 Forum Posts In 3 Steps https://www.dataquest.io/blog/how-i-scraped-over-25000-forum-posts-in-3-steps/ Wed, 18 Aug 2021 21:31:55 +0000 https://www.dataquest.io/?p=33574 MotivationThe Dataquest Community is evolving. In the past months, I’ve been watching the growth of active users, new topics, and areas of discussion. Over the past six months, the platform has made a great contribution to the development of various tags to facilitate the filtering and search for relevant information.But let’s try to create a […]

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How I Learned Data Science in 6 Months https://www.dataquest.io/blog/how-i-learned-data-science-6-months/ Mon, 16 Aug 2021 09:13:51 +0000 https://www.dataquest.io/blog/clone-of-how-dataquest-helped-an-seo-expert-save-tons-of-time/ Everyone’s journey to become a data scientist is different, and the learning curve will vary depending on many factors, including time availability, prior knowledge, the tools you use, etc. One learner shares her story about how she became a data scientist in 6 months with Dataquest. Here’s how her journey began:As the title suggests, this […]

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Learner Spotlight: Data Engineer Student Veena Sanjeeve https://www.dataquest.io/blog/learner-spotlight-veena-sanjeeve/ Wed, 04 Aug 2021 13:40:42 +0000 https://www.dataquest.io/blog/clone-of-how-dataquest-helped-an-seo-expert-save-tons-of-time/ Meet Veena Sanjeeve, a graduate of Dataquest’s data engineering career path. Two months ago, Veena started her new job as a Data Engineer at a private IT firm. Here she works with distributed systems on AWS.Here's her story . . .Q. Hey Veena, tell us a bit about your background ...I'm rooted in CS. I […]

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How to Plot a Bar Graph in Matplotlib: The Easy Way https://www.dataquest.io/blog/how-to-plot-a-bar-graph-matplotlib/ Fri, 30 Jul 2021 21:53:43 +0000 https://www.dataquest.io/blog/clone-of-comical-data-visualization-in-python-using-matplotlib/ A bar graph or bar chart is one of the most common visualization types and is very easy to create in Matplotlib. All we need to do is write one short line of Python code. However, if we want to create an informative, easily readable bar plot that efficiently reveals the story behind the data, we […]

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Comical Data Visualization in Python Using Matplotlib https://www.dataquest.io/blog/comical-data-visualization-in-python-using-matplotlib/ Thu, 15 Jul 2021 22:09:05 +0000 https://www.dataquest.io/?p=32502 How to make comical visualizations in Matplotlib? Explained using a Netflix Movie and TV Show dataset.Data visualization is a great way to tell a story. You can easily absorb information and identify patterns in data. One of our students decided to create a data visualization in Python using Matplotlib to understand the different types of […]

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How Dataquest Helped an SEO Expert Save Tons of Time https://www.dataquest.io/blog/data-skills-python-for-seo/ Wed, 21 Apr 2021 17:04:05 +0000 https://www.dataquest.io/?p=28917 Antoine Eripret, the SEO Lead at Liligo.com, decided to learn Python for SEO because he realized he was wasting time.He got interested in search engine optimization as a student, and entered the industry full-time after getting his Masters in 2016.As he built experience in the field, he says, “I realized that I was sometimes doing […]

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11 Reasons To Learn Bash (A.K.A. Command Line) https://www.dataquest.io/blog/why-learn-the-command-line/ Wed, 21 Apr 2021 08:01:41 +0000 https://dq.t79ae38x-liquidwebsites.com/?p=5741 Learn the command line (also called terminal, bash, or shell), a skill that is critical for doing data science work and building data pipelines efficiently.

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Data Analyst Skills – 8 Skills You Need to Get a Job https://www.dataquest.io/blog/data-analyst-skills/ Sun, 18 Apr 2021 14:55:36 +0000 https://www.dataquest.io/?p=13793 What are 5 real-world tasks that cover most of the skills someone needs to be hired as a data analyst?

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Learn R the Right Way in 5 Steps https://www.dataquest.io/blog/learn-r-for-data-science/ Wed, 14 Apr 2021 08:00:00 +0000 https://dq.t79ae38x-liquidwebsites.com/2018/10/31/learn-r-for-data-science/ R is in an increasingly popular language for data analysis and data science. Here's how you can learn R and be sure it sticks so you can get the career you want.

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11 Real World Applications for Python Skills https://www.dataquest.io/blog/real-world-python-use-cases/ Mon, 12 Apr 2021 19:18:54 +0000 https://www.dataquest.io/?p=28733 Python is one of the most frequently-recommended programming languages. You’ve probably heard people say that’s because it’s relatively easy to learn — and that’s true! But is Python actually useful? What are some of the real-world applications for Python skills once you’ve got them?In this post, we’ll look at some of the most common use-cases […]

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Data Engineer, Data Analyst, Data Scientist — What’s the Difference? https://www.dataquest.io/blog/data-analyst-data-scientist-data-engineer/ Mon, 12 Apr 2021 07:00:00 +0000 https://dq.t79ae38x-liquidwebsites.com/2017/06/15/data-analyst-data-scientist-data-engineer/ In the fast-growing field of data, the "big three" job roles are data engineer, data analyst, and data scientist. Figure out which is the best fit for you.

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Python Practice: Free Ways To Improve Your Python Skills https://www.dataquest.io/blog/python-practice/ Tue, 06 Apr 2021 16:37:19 +0000 https://www.dataquest.io/?p=28519 Getting good Python practice can help solidify your coding skills. Here are some of the best resources for practicing Python:

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You Need Data Skills to Future-Proof Your Career https://www.dataquest.io/blog/data-skills-to-future-proof-your-career/ Mon, 05 Apr 2021 17:34:14 +0000 https://www.dataquest.io/?p=28360 No matter what industry you're in, you need data skills to future-proof your career.  You might be thinking: Vik is the CEO of a company that teaches data science - of course he'd say that! But stick with me for a few more paragraphs, I'll walk you through how data was key to all of the […]

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Tutorial: Web Scraping with Python Using Beautiful Soup https://www.dataquest.io/blog/web-scraping-python-using-beautiful-soup/ Tue, 30 Mar 2021 18:11:34 +0000 https://www.dataquest.io/?p=28252 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 exports […]

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Data Analytics Certification: Do You Need a Certificate to Get a Job as a Data Analyst? https://www.dataquest.io/blog/data-analytics-certification/ Thu, 18 Mar 2021 16:03:53 +0000 https://www.dataquest.io/?p=28157 If you’re interested in becoming a data analyst, or even just interested in adding some data skills to your resume, you’ve probably wondered: do I need some kind of data analytics certification?Finding the real answer to this question is tricky. There are a million data analytics certificate programs out there, and they all have a […]

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SQL Operators: 6 Different Types (w/ Examples) https://www.dataquest.io/blog/sql-operators/ Tue, 16 Mar 2021 18:31:43 +0000 https://www.dataquest.io/?p=27691 We have previously covered why you need to learn SQL to get a data job in 2021, as well as publishing a full list of SQL commands to help you get started. Next, we’re going to be looking at SQL operators.We’re going to cover what exactly SQL operators are, before providing a comprehensive list of […]

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Why Jorge Prefers Dataquest Over DataCamp for Learning Data Analysis https://www.dataquest.io/blog/dataquest-datacamp-learn-data-analysis/ Mon, 15 Mar 2021 17:38:33 +0000 https://www.dataquest.io/?p=17304 When Jorge Varade decided he wanted to learn data analysis, he tried both DataCamp and Dataquest, and found he strongly preferred the latter. Here's why.

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How Long Does It Take to Learn SQL? https://www.dataquest.io/blog/how-long-learn-sql/ Wed, 10 Mar 2021 15:35:47 +0000 https://www.dataquest.io/?p=27961 How long does it take to learn SQL? It depends on your goals and your background, so we've broken down a variety of scenarios for you.

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SQL vs T-SQL: Understanding the Differences https://www.dataquest.io/blog/sql-vs-t-sql/ Thu, 04 Mar 2021 17:18:12 +0000 https://www.dataquest.io/?p=27854 SQL or T-SQL — which one do you need to learn? SQL and T-SQL both see heavy use in the database and data science industries. But what exactly are they? These two query languages are very similar, both in name and in what they can do, so the distinction between them can be difficult to […]

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How to Learn Python (Step-by-Step) in 2021 https://www.dataquest.io/blog/learn-python-the-right-way/ Wed, 24 Feb 2021 09:16:00 +0000 https://dq.t79ae38x-liquidwebsites.com/?p=7016 Learn Python the right way, avoid the "cliff of boring," and give yourself the best chance to actually learn to code by following these steps.

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The Best Way to Learn SQL (According to Seasoned Devs) https://www.dataquest.io/blog/best-way-to-learn-sql/ Thu, 18 Feb 2021 00:49:47 +0000 https://www.dataquest.io/?p=27610 What's the best way to learn SQL? With all of the resources available, learning SQL the “right way” can be difficult. Finding the best way to learn SQL is tricky because everyone learns things differently. But, after training tens of thousands of students — seeing what works and what doesn’t — we’ve come up with […]

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SQL Commands: The Complete List (w/ Examples) https://www.dataquest.io/blog/sql-commands/ Wed, 17 Feb 2021 15:47:05 +0000 https://www.dataquest.io/?p=27592 What can you do with SQL? Here's a reference guide to the most commonly-used SQL commands, with code examples.

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SQL vs MySQL: A Simple Guide to the Differences https://www.dataquest.io/blog/sql-vs-mysql/ Thu, 11 Feb 2021 23:25:51 +0000 https://www.dataquest.io/?p=27560 SQL and MySQL are important tools for working with data. But what are they, exactly, and how are they different? Let's clear that up.

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SQL Interview Questions — Real Questions to Prep for Your Job Interview https://www.dataquest.io/blog/sql-interview-questions/ Mon, 01 Feb 2021 22:46:42 +0000 https://www.dataquest.io/?p=27411 A lot of the SQL interview questions you'll find on the web are generic: "What is SQL?" You'll never be asked that. We've got real questions to help you prep.

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SQL Basics — Hands-On Beginner SQL Tutorial Analyzing Bike-Sharing https://www.dataquest.io/blog/sql-basics/ Mon, 01 Feb 2021 09:00:00 +0000 https://dq.t79ae38x-liquidwebsites.com/2017/05/09/sql-basics/ Learn the SQL basics and go hands-on querying databases as you analyze bike rental data in this free beginner SQL tutorial.

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Want a Job in Data? Learn SQL. https://www.dataquest.io/blog/why-sql-is-the-most-important-language-to-learn/ Fri, 29 Jan 2021 10:00:00 +0000 https://dq.t79ae38x-liquidwebsites.com/2018/01/17/why-sql-is-the-most-important-language-to-learn/ Learning SQL might not be as "sexy" as learning Python or R, but it's a fundamental skill for almost every data scientist and data analyst job. Here's why.

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SQL Cheat Sheet — SQL Reference Guide for Data Analysis https://www.dataquest.io/blog/sql-cheat-sheet/ Wed, 20 Jan 2021 21:35:26 +0000 https://www.dataquest.io/?p=27055 Whether you’re learning SQL through one of our interactive SQL courses or by some other means, it can be really helpful to have a SQL cheat sheet.Bookmark this article, or download and print the PDF, and keep it handy for quick reference the next time you’re writing an SQL query!Our SQL cheat sheet goes a […]

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Do You Need a SQL Certification to Get a Data Job in 2021? https://www.dataquest.io/blog/sql-certification/ Tue, 19 Jan 2021 23:17:27 +0000 https://www.dataquest.io/?p=27022 If you want to work in data, do you need a SQL certification? That’s a question that can be difficult to answer, especially with different organizations pushing to get you to spend money on their certificate programs. Table Of Contents (click to expand) 1Do you need to learn SQL? Yes.2Do you need a SQL certificate? […]

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SQL Joins Tutorial: Working with Databases https://www.dataquest.io/blog/sql-joins-tutorial/ Mon, 18 Jan 2021 22:47:06 +0000 https://www.dataquest.io/?p=21484 Learn how to master joins in the SQL joins tutorial. Learn to use inner, left, right, and outer joins while analyzing CIA factbook data.

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