Photo by d kah on Unsplash

Introduction

XGBoost or eXtreme Gradient Boosting is one of the most widely used machine learning algorithms nowadays. It is famously efficient at winning Kaggle competitions. Many articles praise it and address its advantage over alternative algorithms, so it is a must-have skill for practicing machine learning.

Although XGBoost is relatively fast…

A practical example for analyzing a complex seasonal time series with 100,000+ data points by the Unobserved Components Model

Photo by Richard Horvath on Unsplash

Scope

Forecasting is a common statistical task in business. It is of great importance as it affects management decisions and corporate activities of managing resources. The first statistical methods are first developed…

A data science project for justifying empirical observation in the lab

Final visual comparison of the resulting eight models

Introduction and reminder

This is the third out of a series of three blog posts on analyzing data originating from a soil testing laboratory. A quick overview of the goals set in the first post:

it has been empirically hinted by professionals, that the liquid limit of a soil sample…

A data science project for justifying empirical observation in the lab

Introduction and reminder

This is the second out of a series of three blog posts on analyzing data originating from a soil testing laboratory. A quick overview of the goals set in the first post:

it has been empirically hinted by professionals, that the liquid limit of a soil sample…

cmglee, Mikenorton, United States Department of Agriculture, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons

Introduction to my dataset of choice

When you complete an introductory course on data science, you usually go and practice by yourself what you have learned. Fortunately, plenty of sources offer free datasets that you can use.

The most popular sources are briefly, although not exclusively overviewed here and here.

Daniel J. TOTH

Biochemical engineer, former environmental lab analyst with quality focus. I do my best to bring high quality content to data science learners/enthusiasts.

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