Author: Wojciech Szczurek

Jet Entity Framework Provider – in Code Setup

You have been tasked to implement Jet database provider in EF6 to support older database types like MS Access and you want to do this in code for VB.NET? This achieves the same effect as configuring your app.config but adds flexibility of choosing provider based other conditions. In my case, I have to choose and […]

Data Science – Machine Learning

Post author By Wojciech Szczurek
Post date 8 March 2023
Categories In Certified Machine Learning - Specialty (MLS-C01), Machine Learning

Following are my personal notes that prepared me to take the AWS Certified Machine Learning – Specialty (MLS-C01) exam. Data Processing Encode Values Encoding categorical variables: (panda supports dtype="category") Encoding nominal variables: Handling Missing Values Missing values are very common. Machine learning algorithms can’t handle missing values automatically. Data with too many missing values can’t […]

Essentials – Machine Learning

Post author By Wojciech Szczurek
Post date 4 March 2023
Categories In Certified Machine Learning - Specialty (MLS-C01), Machine Learning

Following are my personal notes that prepared me to take the AWS Certified Machine Learning – Specialty (MLS-C01) exam. Terminology and Process Effective IA Strategy The flywheel of data (positive feedback loop): more data means better analytics -> better analytics results in better products -> better products means more users -> that generates more data. […]