This report addresses the topic of Unsupervised Learning. Impact of the choice of a distance matrix on the outcome of dimension reduction was presented by using Multidimensional Scaling MDS applied to random data. Random points were generated to form a sphere and a pyramid for the purpose of creating visual results.

This report addresses the topic of Unsupervised Learning. Association rules were introduced using Apriori algorithm. Analysis was conducted on "Have You Ever?" survey responses data with 3132 observations, found on Kaggle.

This report addresses the topic of Unsupervised Learning. Clustering of multicolored images was conducted using the CLARA (clustering large applications) method based on PAM, and the appropriate number of clusters was selected based on the silhouette index.