Senior Data Scientist & Top 1000 Writer. I write about my journey breaking into data science and building profitable side-hustles — friends.arunnthevapalan.com

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Hi! I’m Arunn.

As a Senior Data Scientist and a Mentor, I help data enthusiasts break into and grow in the world of data science. I share learnings, approaches, and everything about my journey to become a successful data scientist, hoping to inspire you to achieve the same.

Besides, I write about building a profitable side-hustle. Who doesn’t want to make money on the side doing what they love?

You can reach out to me on LinkedIn for writing gigs and join my private list of email friends, never to miss an update.

My most-read articles:

How I Build Machine Learning Apps in Hours

How I Learned Tableau in 1 Day

3 Beginner Mistakes I’ve Made in My Data Science Career

The 4 Must-Learn Data Science Courses for Absolute Beginners

The 5-Figure Writing Routine: How I Write Consistently Even with a Full-Time Job

Published in Geek Culture

·Jan 8

I Might Not Have Switched to PySpark, Had I Found This Earlier

There’s a new python data processing engine in the town — will I be switching back?

I’m a Senior Data Scientist tackling business problems in the retail domain, where millions of data points are collected daily. The data keeps flowing in — because you and I are shopping daily.

My favorite data manipulation library is, of course, pandas. It’s intuitive, and over the years, every data…

Myth-Busting: 3 Things You Don’t Need to Break into the Data Science Industry

And what you need instead

Edited by the author — original from Freepik

I know how it’s like discovering data science and falling in love. The field is exciting and enticing, and you’re determined to make it a data scientist even when you don’t have the skills.

Sadly, with all the hype also comes misinformation. Someone says to do a certification, and another…

Building Machine Learning Workflows from the Development Platform for Data Quality

A guide on integrating AzureML Studio right from the YData development platform

Data has high stakes in developing Machine Learning pipelines, and the adoption of an approach where achieving high-quality data is crucial. Meaningful data is not only scarce and noisy but also costly to be obtained.

Experts of the likes of Andrew Ng believe that the current threshold that Machine Learning…

A Data Scientist’s Guide to Identify and Resolve Data Quality Issues

Doing this early for your next project will save you weeks of effort and stress

If you've worked in the AI industry with real-world data, you’d understand the pain. No matter how streamlined the data collection process is, the data we’re about to model is always messy.

According to IBM, the 80/20 Rule holds for data science as well. 80% of a data scientist’s valuable…

Office Hours

How to Be an Encouraging Supervisor for Your Data Science Intern

7 actionable steps that can benefit your team and the intern

I haven’t felt this accomplished in a while.

You can get promoted, make a lot of money writing online, and build a loyal audience as a top writer, yet, it doesn’t match up to the satisfaction of helping a data enthusiast unleash his true potential.

I helped supervise a young…

How to Cultivate a Professional Mindset to Succeed As a Creator

You can either be an Amateur or a Pro — the choice is yours.

Do you always feel it’s unfair almost all platforms pay five figures to their top creators while you still struggle to cross a two-digit pay-off? Do you feel like there’s some secret sauce these pro-creators are using which you’re not aware of? …

Machine Learning

Streamline Your Computer Vision Stack with an End-to-End MLOps Platform

I wish I found this solution much earlier

I have built Computer Vision projects successfully in the past, and I’ll be honest, it’s not easy. No, I’m not saying the rest of the AI projects are easy because they’re equally challenging, but CV projects take it to a different level.

To give you a bit more context, I…

Careers

You Don’t Need a Master’s Degree to Break into Data Science

Let’s settle this once and for all

It’s time to get awe-struck. (Photo by Nakaridore on Freepik)

I can vividly remember creating my “MS in US” plan in my final year of university. GRE. TOEFL. Universities and their rankings. Statement of Purpose. Letter of recommendations from professors. Student loans.

When I started learning data science in 2017, I was made to believe I needed a Master’s degree…

Statistics for Data Science: How to Learn Just Enough in Weeks

A few weeks of learning can help you stand out from the crowd in the long run

“What is your weakness?” the interviewer fired the age-old typical question.

“Statistics for data science”, I replied without thinking twice.

I can see their eyebrows raised with concern. They were not expecting this. “So what did you do about it?” they inquired, exactly the way I planned this to go.

…

Arunn Thevapalan

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