Commonly, the final product that a data scientist or a statistician generates is a report, usually in MS Word format. The officer package enables generating such a report from within R. It also enables generating PowerPoint presentations, but this is… Continue reading →

I saw this graph on Twitter a few days ago: [1] Short googling revealed that this is a relatively old graph from October 2017. On one hand, this is a really cool visualization. On the other hand, it also belongs… Continue reading →

Today is the Pi Day – an annual celebration of the mathematical constant Pi. It is observed every year on March 14, since Pi can be approximated by 3.14, and the this date is written as 3/14 in the month/day format. To celebrate this day, here is a short quiz about Pi. You ...

On March 1, 2019, an article was published in Israel’s Ynetnews website, under the title “The curious case of the concentration of cancer”. The story reports on a concentration of cancer cases in the town of Rosh Ha’ayin in central Israel. In the past few years dozens of cases of ...

Suppose that you are interviewed for a data scientist role. You are asked about logistic regression, and you answer all sorts of questions: How to run it in Python, how would you perform feature selection, and how would you use it for prediction. For the last question you answer that ...