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A Guide To Basic Linear Algebra Notation For Machine Learning
Often, you’ll be looking around on the web for an answer to a question you have about an…
The Ultimate Guide To Linear Regression For Aspiring Data Scientists
Regression is about finding the relationship between some input variable(s) and an outcome. Let’s think about a simple…
Percentiles, Quartiles And Boxplots
Percentiles are 100 equal groups into which a population can be divided according to the distribution of values.…
Understanding Correlation
Tech target defines correlation as: “a statistical measure that indicates the extent to which two or more variables…
Measures Of Variance
Variance is a key statistical topic. It lets us know how close to the mean the data is…
Normal Distribution And The Empirical Rule
A normal distribution looks a little bit like the below. It’s where the mean, median and mode are…
Standard Normal Distributions Understood
We’ve discussed normal distributions in previous articles & today, we’re going to talk about standard normal distributions. By…
Z Scores & Probability
When we look at a standard normal distribution, we see something like the below. Here, we have the…
Statistical methods of handling outliers
Outliers can be a real pain & can skew our datasets. In the below, I’ve added an obvious…