Practical Guide to Cluster Analysis in R: Unsupervised Machine Learning

Name: Practical Guide to Cluster Analysis in R: Unsupervised Machine Learning
Rating: 5 (4 reviews)

Alboukadel Kassambara

Aug 2017 · Multivariate Analysis Book 1 · STHDA

5.0

4 reviews

Ebook

187

Pages

Eligible

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About this ebook

Although there are several good books on unsupervised machine learning, we felt that many of them are too theoretical. This book provides practical guide to cluster analysis, elegant visualization and interpretation. It contains 5 parts. Part I provides a quick introduction to R and presents required R packages, as well as, data formats and dissimilarity measures for cluster analysis and visualization. Part II covers partitioning clustering methods, which subdivide the data sets into a set of k groups, where k is the number of groups pre-specified by the analyst. Partitioning clustering approaches include: K-means, K-Medoids (PAM) and CLARA algorithms. In Part III, we consider hierarchical clustering method, which is an alternative approach to partitioning clustering. The result of hierarchical clustering is a tree-based representation of the objects called dendrogram. In this part, we describe how to compute, visualize, interpret and compare dendrograms. Part IV describes clustering validation and evaluation strategies, which consists of measuring the goodness of clustering results. Among the chapters covered here, there are: Assessing clustering tendency, Determining the optimal number of clusters, Cluster validation statistics, Choosing the best clustering algorithms and Computing p-value for hierarchical clustering. Part V presents advanced clustering methods, including: Hierarchical k-means clustering, Fuzzy clustering, Model-based clustering and Density-based clustering.

Ratings and reviews

5.0

4 reviews

Hugo Perez

October 10, 2020

Very practical and good guide to learn cluster analysis with R.

Hanik Aulia

October 24, 2017

Good guide to learn cluster analysis with R

1 person found this review helpful

About the author

Alboukadel Kassambara is a PhD in Bioinformatics and Cancer Biology. He works since many years on genomic data analysis and visualization (read more: http://www.alboukadel.com/).

He has work experiences in statistical and computational methods to identify prognostic and predictive biomarker signatures through integrative analysis of large-scale genomic and clinical data sets.

He created a bioinformatics web-tool named GenomicScape (www.genomicscape.com) which is an easy-to-use web tool for gene expression data analysis and visualization.

He developed also a training website on data science, named STHDA (Statistical Tools for High-throughput Data Analysis, www.sthda.com/english), which contains many tutorials on data analysis and visualization using R software and packages.

He is the author of many popular R packages for:

multivariate data analysis (factoextra, http://www.sthda.com/english/rpkgs/factoextra),survival analysis (survminer, http://www.sthda.com/english/rpkgs/survminer/),correlation analysis (ggcorrplot, http://www.sthda.com/english/wiki/ggcorrplot-visualization-of-a-correlation-matrix-using-ggplot2),creating publication ready plots in R (ggpubr, http://www.sthda.com/english/rpkgs/ggpubr).

Recently, he published three books on data analysis and visualization:

Practical Guide to Cluster Analysis in R (https://goo.gl/DmJ5y5)Guide to Create Beautiful Graphics in R (https://goo.gl/vJ0OYb).Complete Guide to 3D Plots in R (https://goo.gl/v5gwl0).

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