Alexander Parunov
ML in a Nutshell

ML in a Nutshell

Alexander Parunov

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I am a Machine Learning Engineer - a name for Software Engineer who is enthusiastic about Mathematics, ML Algorithms, Optimization and Data Engineering altogether. Knowledge-sharing is a bliss. :)

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Upserting (Update & Insert) With Pandas

Jul 21, 20211 min read

Problem Those who have been working with pandas and wanted to insert DataFrame values into Relational Database (Postgres, MySQL, etc.), most likely faced the problem of conflicting rows. This conflict occurs when statement tries to insert values with...

Fundamentals of Machine Learning Model Evaluation

Feb 1, 202113 min read

Introduction Evaluation of Machine Learning models is a crucial part of building a proper intelligent system that brings value to a business through the application of various algorithms. Evaluation of model’s performance or accuracy is usually split...

Fundamentals of Machine Learning Model Evaluation