Population vs sample

Population vs sample

All right! Before crunching any numbers and making decisions, we should introduce some key definitions. The first step of every statistical analysis you will perform is to determine whether the data you are dealing with is a population or a sample. A population is the collection of all items of interest to our study and

Read More

How to Become a Data Analyst in 2020

How to Become a Data Analyst in 2020

Hello everyone, and welcome! It’s time for another 365 Data Science special, and this time we’ll talk about an alternative way of getting into data science. That’s right – we’ll talk about becoming a data analyst. More specifically, we’ll look at who the data analyst is, what do they do, how they fare in terms

Read More

Learning to See [Part 4: Machine Learning]

Learning to See [Part 4: Machine Learning]

Last time, we left off wondering how to improve on our knowledge engineering approach to identifying fingers in images. Fortunately for us, there is a better approach, and its roots go all the way back to the beginning of AI. In the late 1940s, IBM engineer Arthur Samuel took on an interesting side project, writing

Read More