Statistics

If our goal is to find a statistical relationship between variables, we need to look at these two concepts. They are very critical in terms of understanding dataset or interpreting results. Unfortunately they are very easy to confuse because they both describe the relationship between variables. Let’s dive more deeply. Correlation …

Hypothesis testing is a fundamental tool in statistical analysis and helps researchers and analysts make objective decisions based on data. It provides a structured approach for drawing conclusions about populations from limited sample information. In order to make a decision based on the data, it is very useful to make…

Probability theory is the branch of mathematics that deals with the analysis of random phenomena. It is concerned with the likelihood of events occurring. It also gives us interesting mathematical ways in which probabilities can be combined to make predictions which is used heavily in the domain of Statistics, Machine…

With examples and R codes — Non-parametric test is an important branch of inferential statistics. Yet, it is not widely used, nor fully understood, by many data scientists and analysts. …

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This blog post accompanies a paper to be presented at EuroVis 2023, “Teru Teru Bōzu: Defensive Raincloud Plots.” For more details, read the paper. It was a dark and stormy night. Visualization people always stress the importance of looking at your data but, I’ll be honest, we would, right? There’s…

YOU WON’T BELIEVE IT! I LITERALLY DIED WHEN I READ THIS!!! (Originally posted on my Blogspot blog on May 14, 2014. Yes, the clickbait title was sarcastically purposeful.)

It could be depressing and discouraging — Medium stats can go up or down or be stagnant Almost no one on Medium can predict how their stories will be received or if anyone will read them — unless perhaps if you are Tim Denning or one of the other top writers. Then you would expect to see…

When probabilities are counterintuitive! — You’re participating on a game show. The format is simple: there are three doors, behind one of which is an expensive car. The other doors are each hiding a goat. As you guessed, you don’t know which door is hiding the car. Furthermore, you can pick only one door, and…