In my previous post, I discussed the differences between Business Intelligence and Business Analytics. Two other terms that are often confused are Business Analytics and Data… Read More »Business Analytics vs Data Analytics in One Picture
Business Intelligence (BI) and Business Analytics (BA) are both used to interpret business information and create data-based action plans. The two terms are frequently used… Read More »Business Intelligence vs Business Analytics
Predictive analytics, prescriptive analytics and the fairly recent offshoot– discovery analytics– can all support business decision making. Although the three tools are very similar in… Read More »Predictive Analytics vs Prescriptive Analytics in one picture
Predictive analytics is a wide field of techniques that share a common goal of predicting future behavior. Choosing the right prediction modeling method is perhaps… Read More »Predictive Analytics Techniques in One Picture
If you ask the question “What’s the best degree for Data Science?” you’ll get dozens of different answers. The sheer amount of different opinions might… Read More »Best Degree for Data Science (in One Picture)
In my last blog post, I covered the statistics you need to know for data science. But of course, stats isn’t the only math related knowledge you… Read More »Math for Data Science in One Picture: What do you REALLY need to study?
Bayes’ Theorem is a way to calculate conditional probability. The formula is very simple to calculate, but it can be challenging to fit the right pieces… Read More »Bayes Theorem in One Picture
The EM algorithm finds maximum-likelihood estimates for model parameters when you have incomplete data. The “E-Step” finds probabilities for the assignment of data points, based on… Read More »EM Algorithm Explained in One Picture
At the time of writing, I’m a 52 year-old working in the fields of mathematics and data science. In mathematics, that makes me well-seasoned (and… Read More »On Being a 50 Year Old Data Scientist
The standard error is really just a type of standard deviation. For this simple example, I’ve used three samples as an illustration of how the standard… Read More »Difference Between Standard Deviation and Standard Error in One Picture
