Tag Archives: 365 data science

Creating and understanding a histogram is an integral part of any data analysis process. In fact, if your work or education is in any way related to a quantitative discipline, you’ll most likely be required to make a histogram of your own or examine results featuring one. Not to mention that in today’s data-driven world,Continue reading “Histogram in R: How to Make a GGPlot2 Histogram?”

Hey, my name is Elitsa – a Computational Biologist turned data science professional and a course creator at 365 Data Science. And I’m happy to announce the brand-new addition to our Program: The Data Visualization Course with Python, R, Tableau, and Excel! In this post, I’ll take you through all the features of the course,Continue reading “New Course! Data Visualization with Python, R, Tableau, and Excel”

What Is a SARIMAX model? Although we have dedicated a series of blog posts to time series models, we are yet to discuss one very important topic – seasonality. Each of the models we examined so far – be it AR, MA, ARMA, ARIMA or ARIMAX has a seasonal equivalent. As you can probably guess,Continue reading “What Is a SARIMAX Model?”

What is the ARIMAX model? If you’ve read our series of blog tutorials on models for estimating time series data, you’re already familiar with 3 major approaches – autoregression, moving averages and integration. What’s the common theme in all these models? They solely relied on a single variable. However, a model can also take intoContinue reading “What Is an ARIMAX Model?”

  In our previous tutorial, we became familiar with the ARMA model. But did you know that we can expand the ARMA model to handle non-stationary data? Well, that’s exactly what we’re going to cover in this post – the intuition behind the ARIMA model, the notation that goes with it, and how it differsContinue reading “What Is an ARIMA Model?”

Data warehousing is one of the hottest topics both in business and in data science. But if you’re new to the field, you’re probably wondering what a data warehouse is, why we need it, and how it works. Don’t worry because, in this article, you’ll find the answers to all these questions. First, let’s startContinue reading “What Is a Data Warehouse?”

Nikola Pulev, Instructor at 365 Data Science Nikola Pulev is a Natural Sciences graduate from the University of Cambridge, in the UK, turned Data Science practitioner and a course instructor at 365 Data Science. Nikola has a passion for Mathematics, Physics, and Programming. Over the years, he has taken part in multiple national and internationalContinue reading “Interview with Nikola Pulev, Instructor at 365 Data Science”

  Hi, I am Ned Krastev – co-founder of 365 Data Science, and I am happy to announce the latest release in the 365 Data Science Program – the Introduction to Business Analytics course. In this post, I’ll briefly walk you through the content of the course. I’ll outline how it is structured, what topics itContinue reading “New Course! Introduction to Business Analytics”

Data Scientist Job Descriptions 2020 The market for Data Science has been growing extensively over recent years. As a result, the position of data scientist has emerged as a truly attractive career path option with an abundance of rewarding job opportunities. So, to help you stay at the forefront, we’ve conducted an in-depth study onContinue reading “Data Scientist Job Descriptions 2020 – A Study on 1,170 Job Offers”

Data warehousing is one of the hottest topics both in business and in data science. But if you’re new to the field, you’re probably wondering what a data warehouse is, why we need it, and how it works. To answer these questions, first, we need to start with a definition – the meaning of theContinue reading “What Is a Data Warehouse?”