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 brain…

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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…

conversion rate optimization cro

Usability testing (for Data Analysts)

Usability testing is a widely used research method to collect detailed and direct qualitative user feedback about your product (or website, mobile application, anything…) What is it exactly…

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The Conversion Rate Optimization Framework I Use at Data36…

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

conversion rate optimization cro

Five Second Testing

Every online data analyst and/or researcher should use – or at least be familiar with – qualitative methods. Even if you are heavily into analytics and even if…

coding in data science and analytics

When and why to build your own data tools?

For the record: I’m a big supporter of the third-party data services (eg. Google Analytics, Hotjar, Crazyegg, Optimizely, Mixpanel, etc.). I like them, because they are easy to…