Insider help for busy aspiring data scientists

Blog posts

The famous bias and variance confusion

October 3, 2021
Bias and variance are some of the trickiest concepts to get a solid understanding of. It was explained to me a bunch of times and every single time after a couple of weeks I found myself thinking “Which one was which again?” So today, I’m on a mission to explain it to you in a practical way in hopes that this might be the last time you might need someone to explain it to you!
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The difference between Machine Learning and Deep Learning

September 12, 2021
Deep learning sounds so cool, doesn’t it? There is machine learning, which is already super cool and now make it deep. Even better. But what makes a learning algorithm deep?
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Episode #22 - Being a data science consultant at Amazon with Naz Levent

February 22, 2021
In this episode, I talk to AWS data scientist Naz Levent. Naz has been with Amazon for more than two years and has been part of some exciting projects in fashion, energy and entertainment industries. She shares with us how she got into data science, how she got her first job, what her days look like and why she loves her job. She has some unusual and great advice on how to get ready for a data science career.
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Problem to machine learning solution: formalizing the real-world

February 21, 2021
One of my student’s on the Hands-on Data Science course asked me an intriguing question this week. After completing the course, he reminded me of the project goal we formulated at the beginning of the course and wanted to know how the model we built helped solved this problem that we defined. And the answer to his questions was: it doesn't. But with good reason.
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Dealing with society's unrealistic data scientist standards

February 7, 2021
Have you heard about the recent groundbreaking achievements in NLP? Wow, you have to read this paper... Everyone is talking about this woman/man in AI. If reading headlines like these stress you out, you're not alone.
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Episode #21 - Working as a data science while still studying with Khuyen Tran

February 6, 2021
Khuyen Tran is a student and a data scientist who got her first job before even graduating. She tells me all about how she got her first job as a data scientist while still studying, how her writing on Medium brought a lot of opportunities to her foot, what resources she used to gain new skills and more. Do not miss this episode!
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How do machines learn: a simple explanation

January 30, 2021
By now you have probably heard this explanation: ML algorithms learn like humans. You give it examples and it recognizes and remembers the patterns in them. You need to give it a lot of examples, though, so that it can learn accurately. Okay, that’s clear. But HOW does it learn?
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So you learned a bit of Python, now what?

January 24, 2021
Learning Python and Machine Learning are two of the most fundamental things you need to do to become a data scientist. Out of the two, learning Python is relatively easy. Learning machine learning though is when things get very overwhelming very fast. There are many concepts you need to be aware of and they have very intertwined relationships. That's why you need to have a smart strategy when learning them. I talk about my own approach in this article.
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Episode #20 - A look into Women in Data with Sadie St. Lawrence

January 23, 2021
In this episode, I talk to Sadie St. Lawrence, the founder of Women in Data. Women in Data is an international organization that aims to increase diversity in data careers by providing awareness and education to its members. Listen to my chat with Sadie to find out how she herself became a data scientist, what advice she has for the aspiring data scientist, how you can also become part of Women in Data and much more!
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