9 High Platforms to Observe Key Knowledge Science Abilities

9 Top Platforms to Practice Key Data Science Skills


The great factor about present on-line these days is that studying is now not gatekept. You’ll be able to learn, follow, quiz, and program all by your self, from the consolation of your individual dwelling, with out paying for a level.

And since knowledge science is seen as a tough talent to be taught, many employers aren’t frightened about the place you discovered to code in Python or another knowledge science talent, simply so long as you are able to do it.

On this article, I’ll break down 9 knowledge science studying platforms that offer you an interactive studying expertise. These include quite a lot of assets, together with video tutorials, interactive coding workouts, and quizzes, that will help you construct and solidify your programming and database administration abilities.

Let’s dive in. In every part, I’ll clarify what the platform is, what you’ll be able to be taught, how a lot it prices, and what units it other than the opposite eight platforms I’ll contact on.

Right here’s an outline of every platform for fast reference.


9 Top Platforms to Practice Python, SQL, and Coding



Codecademy is a platform designed particularly for studying find out how to code.


What Is This?


Codecademy is an internet studying platform that gives programs and tutorials on programming, knowledge science, and internet growth. It’s a brilliant in style alternative amongst newbies and people trying to enhance their coding abilities.


What Can You Study?


With Codecademy, you’ll be able to be taught a ton of various programming languages resembling Python, JavaScript, Ruby, HTML, CSS, and extra. It doesn’t matter what your taste, you’ll discover a course for it. Codecademy additionally gives programs on knowledge science matters like SQL and knowledge visualization, in addition to internet dev instruments resembling React and Git.

I personally love Codecademy as a result of it’s so interactive. The platform offers you classes and coding workouts that enable you construct real-world tasks and perceive the elemental ideas of programming.


How A lot Does It Value?


On their web site, their brand is actually “be taught to code without spending a dime.” There IS a free degree, the place you may get programs like “Learn SQL” and “Learn Java: Introduction” without spending a dime.

Nonetheless, if you wish to additional your data and entry extra superior programs, you’ll must pay $34.99 a month, or $17.49/month in the event you pay yearly.


Key Profit?


Codecademy stands out due to its ease of use. It’s ultra-beginner-friendly. Many coding platforms name themselves beginner-friendly as a result of that’s their goal demographic, however Codecademy is ideal for somebody who’s by no means typed a line of code of their lives.

There are tons of free programs you’ll be able to check out to get a way of that language, and their instructing fashion works for you.



9 Top Platforms to Practice Python, SQL, and Coding
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Coursera is a platform for universities and corporations to add video programs. Amongst different matters, they’ve an entire host of in style knowledge science instructors.


What Is This?


Coursera is the vacation spot for on-line studying run by universities. They do on-line programs, certificates you’ll be able to hold in your digital LinkedIn wall, and even full diploma packages. They associate with universities like U of Michigan, Yale, Rice, Imperial School London, and more.

Programs sometimes run for between one to 9 months.


What Can You Study?


On Coursera, you’ll be able to be taught just about any talent, together with programs like “The Science of Well-Being,” “Introduction to Psychology,” and “Financial Markets.”

Additionally they provide:

  • Guided tasks. These are extra hands-on, shorter little nuggets the place you’ll come out with a particular talent.
  • Specializations, that are sometimes additional studying in a talent, resembling Northwestern’s “The Artwork of Gross sales.”
  • Certificates. These give you a tangible consequence of being “licensed” in whichever talent you choose.
  • Levels. These are total diploma gives.


How A lot Does It Value?


Some programs are free to entry, like the primary three programs I listed above. Some guided tasks, like “Docker for absolute beginners,” begin at $9.99/month to entry. Should you enroll in a extra helpful course, like a specialization or knowledgeable certificates, these run at $39.99 a month. Levels, naturally, price extra – they begin at $9,000 a level.


Key Profit?


Coursera has an enormous number of programs for a reasonably cheap value, run by high establishments like Yale and IBM.  You will get sensible abilities, a grounding in a wider matter, or go deep with a specialization.



StrataScratch is an interview query platform.


What Is This?


StrataScratch has 1000+ actual interview questions from top data science companies, each coding and non-coding.  It’s geared towards of us who’re prepared to use for and get an information science job.


What Can You Study?


This can be a rather more sensible, outcome-focused platform. Slightly than instructing you new abilities from scratch, this platform is greatest if you have already got some data and wish to check your self or if you wish to follow for an upcoming interview.

On the coding facet, you’ll be able to follow PostgreSQL, Python, MySQL, R, and MS SQL Server questions. For non-coding questions, you’ll be able to follow system design, chance, enterprise circumstances, statistics, modeling, technical, and product questions.

You may as well filter by issue and firm.

StrataScratch additionally gives knowledge tasks like Market Analysis in Dublin, and guides, for instance, SQL Time and Date Manipulation. These extra hands-on tasks might be helpful if you wish to add these to your portfolio.


How A lot Does It Value?


There’s a free tier, which incorporates some however not all questions, each with and with out options.

For the $32/month tier, you get entry to the total roster of interview questions and options.

Lastly, there’s a yearly possibility that prices $139/12 months (or lifetime for $289) that moreover contains entry to the information tasks and in-depth answer guides to varied coding questions geared toward knowledge scientists with 1-2 years of trade expertise.


Key Profit?


As a result of these are actual questions taken from actual knowledge science interviews, you’ll get hands-on expertise with precisely what corporations are on the lookout for.



Boot.dev is dwelling to programs that will help you develop into a backend developer.


What Is This?


Boot.dev is an attention-grabbing platform that goals to patch the hole between faculty levels and e-learning platforms. School levels are gradual and costly. Locations like Coursera give attention to the front-end. If you wish to follow Python, SQL, and different coding abilities to get a job as a backend dev, you’ll battle.

They manage the platform round “tracks,” which embody languages, guided tasks, and portfolio tasks.


What Can You Study?


You’ll be able to be taught Python, JavaScript, and Go because the premier backend coding languages. However you’ll even be taught extra pc science-focused abilities and ideas, like algorithms, object-oriented programming, and cryptography.


How A lot Does It Value?


Boot.dev prices both $39/month, $249/12 months, or $999 for the lifetime value. For all these tiers, you get the identical advantages: entry to all of the content material, a job-ready portfolio of coding tasks, certificates of completion, and entry to the Discord server.


Key Profit?


There are only a few locations to get studying geared that will help you develop into a backend developer vs a frontend developer. Perhaps as a result of front-end dev is seen as extra approachable, most e-learning platforms give attention to abilities like HTML and CSS.

This is likely one of the solely platforms I’ve seen that champions back-end learner.



Udemy is an internet studying platform with programs that anybody can add.


What Is This?


Udemy is just like Coursera, however with one key distinction: anybody can add video programs, not simply universities or organizations. Like Coursera, Udemy may give you entry to a ton of programs about all types of abilities, however there’s a nice collection of knowledge science abilities.

Because of this Udemy gives a variety of programs, from newbie to superior, taught by consultants, professionals, and people.

Udemy’s programs are designed to be accessible and versatile, with video classes, quizzes, and tasks to assist college students construct sensible abilities. The platform additionally gives lifetime entry to course content material, so college students can be taught at their very own tempo and revisit the fabric as wanted. Udemy’s programs aren’t accredited, however a lot of them include certificates of completion that can be utilized to showcase abilities and data to potential employers.


What Can You Study?


The higher query is, what can’t you be taught? However right here’s a fast upshot of a few of the greatest programs on provide:

  • Programming and Improvement: together with internet growth, cell app growth, sport growth, and extra.
  • Knowledge Science and Analytics: together with machine studying, knowledge evaluation, large knowledge, and extra.
  • Enterprise: together with entrepreneurship, advertising, gross sales, and extra.
  • Design: together with graphic design, internet design, inside design, and extra.
  • Private Improvement: together with private finance, productiveness, management, and extra.
  • IT and Software program: together with cybersecurity, community and knowledge safety, cloud computing, and extra.
  • Advertising and marketing and Gross sales: together with digital advertising, e mail advertising, social media advertising, and extra.
  • Music, Artwork, and Pictures: together with music manufacturing, music idea, images, and extra.


How A lot Does It Value?


You’ve gotten two choices:

  • You should buy particular person programs like “Study Python for Knowledge Evaluation and Visualization,” that are priced anyplace between $15-$30 for lifetime entry to the course
  • You’ll be able to subscribe to the month-to-month private plan beginning at $16.58 a month, which will get you entry to over 8,000 programs, and 4,000+ follow workouts, taught by 3,000+ high instructors.


Key Profit?


The large breadth of Udemy is its power. You’ll find a course not simply on any language however for any objective, like “Python for Object-Oriented Programming” or “The Complete Guide to React.”

And since anybody can add a course, you’re certain to search out an teacher you gel with.



9 Top Platforms to Practice Python, SQL, and Coding
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edX is sort of like Coursera Final. edX has a partnership with a number of prestigious universities, together with Harvard, MIT, and UC Berkeley.


What’s This?


Just like Coursera, edX gives on-line programs from high universities and establishments. Nonetheless, edX specializes a little bit extra, each by way of who they associate with and the abilities on provide. For instance, edX gives verified certificates, skilled certificates, and micromasters, whereas Coursera solely gives specializations, skilled certificates, and levels.

Coursera can also be extra self-paced, whereas edX has deadlines for exams and assignments.


What Can You Study?


With 3,000+ programs to select from, you’ll have the ability to discover a good knowledge science talent to be taught. This platform gives “Intro to Analytics Modeling,” “Machine Learning with Python,” and “The Essentials of Data Literacy,” simply to call just a few.


How A lot Does It Value?


It varies from course to course, however edX is a bit more costly than Coursera, as a rule. You’ll be able to entry nearly any course without spending a dime to audit it, however that comes with limitations – you solely get entry to the fabric for a month, you don’t get a certificates, and your assignments aren’t graded.

If you’d like the verified monitor, costs run from round $49/course to $149/course.

Additionally they provide bootcamps, which run into 1000’s of {dollars}. For instance, UC Berkeley’s 24-week coding bootcamp prices $13k.


Key Profit?


This one is fairly similar to Coursera. The principle advantages are that it’s extra guided than Coursera, and also you would possibly have the ability to get some extra model title recognition with their certificates.



Let’s take a step away from studying platforms. Kaggle is, as an alternative, a contest platform.


What Is This?


Kaggle’s a very fashionable, very well-run knowledge science competitors platform with a lean in the direction of machine studying particularly. It’s owned by Google, and it has tens of 1000’s of knowledge units to follow on.

You’ll get:

  • Competitions, through which contributors compete to develop one of the best answer to an issue utilizing a offered dataset. Competitions are sponsored by organizations trying to resolve a particular drawback and provide prize cash to the winners.
  • Public Datasets: Kaggle supplies entry to a lot of public datasets, which can be utilized for follow, analysis, or competitors submissions.
  • Notebooks: Kaggle supplies a cloud-based Jupyter pocket book surroundings for knowledge science and machine studying, which permits customers to simply write, run, and share code with others.
  • Discussions: Kaggle has a big and energetic neighborhood of knowledge scientists and machine studying practitioners who take part in discussions, ask and reply questions, and collaborate on tasks.


What Can You Study?


On Kaggle, you’ll be able to be taught abilities like knowledge evaluation, machine studying, programming in Python and R, and knowledge prep.

Take a look at a few of the competitions on provide and see what abilities you wish to polish. For instance, you’ll be able to take part within the advanced regression techniques problem, microbusiness density forecasting, or computer vision.


How A lot Does It Value?


It’s all free! Enter competitions, obtain datasets, and take a brief course, all without spending a dime. That’s one of many large advantages of Kaggle being owned by Google. It’s well-funded and therefore can afford to be free for gamers/rivals/learners.


Key Profit?


It’s very useful to get entry to actual, crunchy knowledge and actual, crunchy issues. When you’re finished with e-learning and also you wish to push your self even additional, this sort of challenge-based platform is nice for refining your abilities additional.

Plus, gaining access to and steering on so many knowledge units means you’ll have the ability to craft and add some enjoyable data science projects to your portfolio.

Lastly, the aggressive angle works for some learners!



9 Top Platforms to Practice Python, SQL, and Coding
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Let’s have a look at HackerRank, one other web site for coding challenges.


What Is This?


HackerRank is a web site for coding challenges and competitions for software program builders to enhance their coding abilities.

Many corporations use it as a enjoyable approach to display job candidates for software program growth jobs. The platform gives a variety of classes to select from, together with algorithms, knowledge constructions, arithmetic, databases, and extra.

As a random individual on the web who would possibly wish to be taught Python, SQL, and different coding abilities, it’s a fantastic place to create a portfolio.


What Can You Study?


The best way HackerRank works is sort of a mixture of a portfolio and Kaggle. There are ranked competitions you’ll be able to participate in, and it’s also possible to get licensed in languages like Go, C#, and Java.

They’ve three areas the place you’ll be able to be taught:

  • Prepare. This contains an interview prep equipment, some primary certifications, and studying on numerous matters like algorithms, knowledge constructions, and arithmetic.
  • Certify. This zone has all of the certifications you’d want, from R to SQL to JavaScript.
  • Compete. That is the extra Kaggle-esque facet, which gives competitions and contests to indicate off your data and earn prizes or renown.

Mainly, it’s a superb place for energetic job seekers – and anybody else who desires to be taught – to follow and check their coding abilities in a difficult and aggressive surroundings.

HackerRank additionally offers you assets, tutorials, articles, and pattern code.


How A lot Does It Value?


Right here’s the enjoyable half: it’s primarily a product for corporations to rent individuals. That implies that as a candidate, you really get the product without spending a dime (as a result of, in some senses, you are the product).


Key Profit?


The distinctive factor about HackerRank is it’s designed for corporations, not people. That makes it exceptionally helpful for people to see what corporations want to rent somebody. You get the interview’s view of your self, so you understand what abilities to give attention to.

It’s ultimate for somebody who desires to get a job in knowledge science.



Let’s check out this question-and-answer platform.


What Is This?


It’s a little bit cheeky of me to incorporate StackOverflow as a studying platform as a result of that’s not likely what it’s designed for. Nevertheless it was the most effective platforms I used to be taught Python and R organically. And better of all, it’s free.

StackOverflow is a spot for programmers, builders, and software program engineers to publish questions and get crowd-sourced solutions. Solutions might be voted up or down relying on their helpfulness and accuracy.

It’s an enormous repository of coding questions and solutions going again for years.


What Can You Study?


  • Python programming: Many questions and solutions associated to its syntax, libraries, and greatest practices.
  • SQL: Together with queries, database design, and optimization methods.
  • Algorithms and data structures: Sorting, looking, and graph algorithms.
  • Web development: HTML, CSS, JavaScript, and internet frameworks resembling Django and Ruby on Rails.
  • Debugging: So many questions and solutions about debugging methods and greatest practices.
  • Software design: Study software program design patterns, structure, and greatest practices.

One of the simplest ways to be taught on StackOverflow is by asking and answering questions. Begin primary – search for child questions in Python or SQL that don’t but have a solution. You’ll quickly get a ton of peer suggestions on the standard of your reply to be able to enhance from there.

It’s intimidating, however it’s a good way to sharpen not solely your precise coding abilities however your communication abilities too.


How A lot Does It Value?


It’s free! Completely, 100% free to make an account and ask or reply limitless questions.


Key Profit?


The perfect factor about StackOverflow is that it wasn’t designed as a studying platform. These aren’t rigorously designed questions and solutions – they’re actual, crunchy, human-world issues with untidy knowledge. And also you’re going to get actual peer suggestions from actual knowledge scientists.

It’s an actual problem, however it’s an outstanding approach to be taught.



In conclusion, the great thing about the digital age is that schooling is now at our fingertips. Knowledge science is a sizzling matter, and plenty of employers do not care the place you discovered it so long as you’ll be able to rock it.

This text breaks down 9 wonderful and considerably unconventional platforms that make studying this in-demand talent a breeze. With video tutorials, interactive coding workouts, quizzes, and IRL knowledge, you can sharpen your abilities and present the world what you are manufactured from.

Do not wait any longer. Decide a platform (or 9 – these aren’t unique!) and begin studying knowledge science at present.
Nate Rosidi is an information scientist and in product technique. He is additionally an adjunct professor instructing analytics, and is the founding father of StrataScratch, a platform serving to knowledge scientists put together for his or her interviews with actual interview questions from high corporations. Join with him on Twitter: StrataScratch or LinkedIn.

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