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 here articles and videos about data analysis, AB-testing, researches, data science and more...Page 2 of 2
If you are in an online business, most probably, you know what A/B testing is. (Sometimes it’s called split testing or bucket testing). And there is a big chance,…
Last week I’ve promised to continue with the second Part of Predictive Analytics 101. If you haven’t read the Part 1, please do that here: Predictive Analytics 101…
Predictive analytics is not a new or very complicated piece of science. As I mentioned before (Reporting, Optimizing, Predicting – 3 things that you can do with your…
Before you touch any of the tools, you have one extra assignment. Create your data research plan! It’s really-really important.
The first step for every data project is data collection, aka.: getting the actual raw data. There are two ways to do this: A) You can pick one…
If you are reading this article, then most probably you care about data driven thinking and you like to make decisions backed by data. Bad news! Not everybody…
So there you are: you have millions and billions line of raw data. Regardless of which tools are you using to analyze it (Google Analytics, Mixpanel, Python, SQL,…
In this post I collect the best data – and UX-research – tools and I break them down into 3 categories: 1. The baby steps: this is for you, if…
I ran a data driven test a few weeks ago at the startup where I work, where I tried to drive paid app installs. Along the way I…
Have you ever heard of the so-called Fake-Door Testing? If not: Fake-door testing is a very easy method by which we can measure interest in a product (or a…
What is funnel analysis? In a sentence: A powerful method of online data analysis which shows you the most important conversion steps of a user one by one. Something like this: How does…
Measuring retention? Why is it important? If you are running an online business, then these 2 goals are definitely on your list: To onboard as many new users as possible…
(This interview has been made March, 2015.) Last October news spread that Skyscanner bought Distinction. Since then, the change-over has been completed and the one-time Distinction is now 100%…
“Big data is like teenage sex: everyone talks about it, nobody really knows how to do it, everyone thinks everyone else is doing it, so everyone claims they…
One of the most frequently asked questions I receive regarding A/B testing is how many users are necessary for the testing? Naturally, like with 99% of the questions,…
In short: NO. You know, in Hungary we have tons of ruin pubs. And it always annoyed me when people plastered ruin pub toilets with disgusting QR-coded stickers,…
To continue where we left off at the end of the previous article, now I share 3 more website usability ideas. You should consider giving them a try. As…
I talked with Zotya Tóth from Prezi about data analysis, big data and different data interpretation methods and how it’s done at a successful startup like Prezi. (Note:…