If you’ve spent any time with modeling data, you’ll know that there are many pitfalls to be had when it comes to data presentation (I… Read More »Misleading Graphs Part 2: Ladders, Spaghetti, and Other Ways to Ruin a Graph
“Data Scientist” is 2020’s equivalent of the rocket scientist of the 1950’s: mysterious, sexy, and well-paid. But are you actually a “scientist”? While “data science” isn’t… Read More »You're a Data Artist, not a Data Scientist
Misleading graphs are abound on the internet. Sometimes they are deliberately misleading, other times the people creating the graphs don’t fully understand the data they… Read More »Misleading Graphs Part 1: Avoid These Common Mistakes
Naming conventions are often quite different in statistics and data science, which causes quite a bit of confusion. Part of the problem with naming conventions… Read More »Statistics Used in Data Science (A Dictionary in One Picture)
Regression and classification are both supervised machine learning techniques that use known data to make predictions. Where they differ is in what type of question you want answer, and… Read More »Difference Between Classification and Regression in One Picture
Inference and prediction are two often confused terms, perhaps in part because they are not mutually exclusive. Both provide pieces of the “What is data… Read More »Inference vs Prediction in One Picture
There are a few key differences between the Binomial, Poisson and Hypergeometric Distributions. These distributions are used in data science anywhere there are dichotomous variables (like yes/no, pass/fail). This… Read More »Difference between Binomial, Poisson and Hypergeometric Distribution in One Picture
Data mining includes statistics and elements of statistical analysis. Some people describe the two as interconnected, others as them being on a continuum. This one picture shows… Read More »Data Mining vs Statistics in One Picture
If you plug “statistics interview questions” into a search engine, you’re going to get hundreds of questions and answers. And if your interview is looming… Read More »How to Get Your First Data Science Job: Go Dog Sledding
Hypothesis testing can be an overwhelming topic to grasp if you’re new to the subject. As well as dealing with all of the different terminology,… Read More »Steps of Hypothesis Testing in One Picture
