Clustering is always supervised learning.

This will provide an average of last 20 time series data where every observation is equally weighed

Which preprocessing step removes common words like “the” and “and”?

A correlation of +0.9 indicates a weak positive relationship.

Explainable AI (XAI) aims to make complex model decisions more transparent.

Data anonymization replaces or removes identifiers to protect individual privacy.

Correlation measures both the strength and direction of a linear relationship between two variables. 

The DIKW hierarchy represents the flow from Data → Information → Knowledge → Wisdom. 

The Open Data Movement promotes:

. Unsupervised learning uses labeled data for training.