Tag: AB test

statistics in data science and analytics

Statistical Bias Types explained (with examples) – part 1

Humans are stupid. We all are, because our brain has been made that way. The most obvious evidence of this built-in stupidity is the different biases that our…

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Website Heatmaps – Tools, Features & Best Practices

Creating heatmaps is a simple and efficient way to analyze your website visitors’ interactions and your users’ behavior on your website. If you are running an online business…

coding in data science and analytics

SQL for Data Analysis – Tutorial for Beginners – ep5

Combining tables is a key component of data analysis. And SQL is really good at it! Of course each case is different, but I’ve run into analytical tasks too…

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How to Optimize Facebook Campaigns Based on Conversion Data

“How do I optimize Facebook campaigns?” This is the question that I hear all the time from clients to whom I teach Facebook marketing. Of course, it depends…

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Usability testing (for Data Analysts)

Usability testing is a popular research method for collecting detailed and direct user feedback about your online product, website or mobile application. What is it exactly and how…

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The Conversion Rate Optimization Framework I Use at Data36…

… is exactly the same one that many well-known startup and e-commerce companies are using. However, somehow this fundamental CRO framework hasn’t been published anywhere so far! (As…

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Five Second Test

Everyone who works on online research projects should use (or at least be familiar with) qualitative methods, too. Even if you are a data scientist who trusts the…

coding in data science and analytics

Google Analytics vs. SQL: When and why to build your own data tools

For the record: I’m a big fan of third-party data tools (e.g. Google Analytics, Hotjar, Crazyegg, Optimizely, Google Optimize). I like them because they are easy to use…