In this beginner’s guide, we dive into the different techniques for encoding categorical data, supported by visuals and practical code examples. Categorical data refers to variables that contain ...

Above we can see some examples of ordinal data. This type of encoding is used when the variables in the data are ordinal, ordinal encoding converts each label into integer values and the encoded data ...

Encoding categorical variables is a crucial step in data preprocessing for machine learning models ... This method assigns a unique integer to each category. For example, "red" might be encoded as 0, ...

Tool for changing a database's encoding, collation, or both. Supports online schema change via pt-online-schema-change with configurable fallback. Usage: mysql_change_database_encoding.rb [options] -H ...

Data visualization is the art ... Common quantitative encoding methods include color saturation, size, and position. For example, color saturation can show population density in a choropleth ...

Encryption functions are used to protect sensitive data from unauthorized viewing or modification by converting it into a different format that can only be decoded with a key. For example ...

There are many references that discuss the theory of normalization and encoding, but few that provide practical guidance and even fewer that provide code-implementation examples. This article explains ...