What Really is R2-Score in Linear Regression?

One of the most important metrics for evaluating a continuous target regression model

There are so many different metrics that can be used for evaluating regression models. In this article, we discuss several metrics that can be used for continuous target variable regression models. Among the many, R2 Score remains the most popular metric.

Metrics for Continuous Target Regression

If you are performing regression for a continuous outcome

Mathematics…

Mathematics…

Mathematics…

Massive Open Online Courses are the Best Way to Learn Data Science in 2022

All you need is reliable internet connection and the desire to learn

There are obviously many ways to learn data science. But massive open online courses (MOOC) are cheaper and affordable. Also, you can learn from the comfort of your own home with reliable internet connection. Moreover, you can also learn at your own pace.

The rising demand for data science practitioners…

22 Data Science Concepts for 2022

Core data science concepts for data science beginners

With so much to learn and so many advancements to follow in the field of data science, there are a core set of foundational concepts that remain essential. Twenty two of these ideas are highlighted here that are key to review when preparing for a job interview or for learning…

Most Stocks Correlate Positively with the Total Stock Market

Correlation coefficients between individual stocks and the total stock market show that most stocks correlate positively with the total market

We consider a portfolio of randomly selected stocks. The portfolio contains 22 stocks (see Table 1) from different sectors such as Healthcare, Real Estate, Consumer Discretionary, Energy, Industrials, Telecommunication Services, Information Technology, Consumer Staples, and Financials. For the total stock market, we used the S&P 500 data. All data was…

What is Your Data Science Time Horizon?

Be realistic about the number of months, years, or even decades you need to gain mastery of data science

Your data science time horizon is the number of months, years, or decades you need to invest in educating yourself about data science so as to achieve your goal.

Data science is a very multidisciplinary field that requires a solid background in advanced mathematics, statistics, programming, and other related skills…

Benjamin Obi Tayo Ph.D.

Physicist, Data Science Educator, Writer. Interests: Data Science, Machine Learning, AI, Python & R, Personal Finance Analytics, Materials Sciences, Biophysics

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