Malik, A., & Tuckfield,Bradford. (2019). Applied Unsupervised Learning with R: Uncover hidden relationships and patterns with k-means clustering, hierarchical clustering, and PCA (NA.). Packt>.

Malik, Alok, and Tuckfield,Bradford. Applied Unsupervised Learning with R: Uncover Hidden Relationships and Patterns with K-means Clustering, Hierarchical Clustering, and PCA. NA. Birmingham: Packt>, 2019.

Malik, Alok, and Tuckfield,Bradford. Applied Unsupervised Learning with R: Uncover Hidden Relationships and Patterns with K-means Clustering, Hierarchical Clustering, and PCA. NA. Packt>, 2019.