About the Author

Alexey Grigorev is a skilled data scientist, machine learning engineer, and software developer with more than 7 years of professional experience.

He started his career as a Java developer working at a number of large and small companies, but after a while he switched to data science. Right now, Alexey works as a data scientist at Searchmetrics, where, in his day-to-day job, he actively uses Java and Python for data cleaning, data analysis, and modeling.

His areas of expertise are machine learning and text mining, but he also enjoys working on a broad set of problems, which is why he often participates in data science competitions on platforms such as kaggle.com.

You can connect with Alexey on LinkedIn at https://de.linkedin.com/in/agrigorev.

I would like to thank my wife, Larisa, and my son, Arkadij, for their patience and support while I was working on the book.