About the Reviewer

Alexey Grigorev is a skilled data scientist and software engineer with more than 5 years of professional experience. He currently works as a data scientist at Searchmetrics. In his day-to-day job, he actively uses R and Python for data cleaning, data analysis, and modeling. He has been a reviewer on other Packt Publishing books on data analysis, such as Test-Driven Machine Learning and Mastering Data Analysis with R.