Hey, I'm Tomi Mester. This is my data blog, where I give you a sneak peek into online data analysts' best practices. You will find articles and videos about data analysis, AB-testing, research, data science and more…Tag: data science Page 1 of 3
I put together a ‘Python 3 for Data Science’ tutorial series starting from the very basics. It features 9 practical articles – that covers everything you need to know!
A Product Manager’s Guide to Measuring Things Well Andrea Sipos is a product person with 10 years of experience and a data-reliant approach. She’s worked as a product…
Our guest author today is Joachim Schork from Statistics Globe. I asked Joachim to give us an intro to a data language that we haven’t covered so far…
In this article, I’ll show you how to use Jupyter Notebook. Jupyter is one of the most popular tools if you want to work with Python. It’s especially…
This article is about dating and data science! Please welcome our guest author, Amy Birdee, who has done multiple data science hobby projects recently and built a truly…
In this article, I’ll show you a few junior data scientist job interview questions… And also how to answer them. Before we get started… This article is part…
Data Science on the job is different from the things you see about it in tutorials. I wish someone would’ve told me about these when I was an…
James Rice was a participant in my 6-week data science course (The Junior Data Scientist’s First Month). After finishing the course, he started a cool hobby project and…
In this article, I want to quickly show you how websites collect data. It’s important to know this for two reasons: If you are a website visitor, it’s…
In this article, I’ll answer a question that frequently comes up in my online courses, which is: How do you upload a dataset (e.g. csv, txt or tsv…
When it comes to learning data science, there are many, many resources around the internet. Many articles, many online courses, many Youtube channels, and so on… You have…
Finding a data science mentor is tricky… Well, finding a mentor for any profession is tricky! You know, the best minds that you would love to learn from…
There are three popular languages for data scientists: SQL, Python and R. I create a lot of tutorials about SQL and Python on my blog… But I never…
I get way too many questions from aspiring data scientists regarding machine learning. Like what parts of machine learning they should learn more about to get a job….
I’ve talked a lot already about the three primary skills you need to know for data science: coding, statistics and business thinking… But it’s worth listing those secondary…
Is it important for data scientists to have domain knowledge in a specific field? In this article, I’ll answer this question. As you might have heard from me…
A question that I get often is this: “Should an aspiring data scientist learn more about big data (e.g. Apache Hadoop or Spark) to get a job?” I’ll…
In this article, I’ll answer a frequently asked question – which is: “What does a data scientist’s day look like?” This article is available in video and podcast…
Why are people losing at the casinos? Why shouldn’t you buy a lottery ticket? How do you account for uncertainty when you invest a smaller or bigger amount…
Tomi Gelo was one of the first participants in my 6-week data science course (the Junior Data Scientist’s First Month). Since then, he has done some pretty cool…