1. Shekhar, S., Xiong, H.: Exploratory Data Analysis. Published in encyclopedia of GIS 2008 retrieve from https://www.semanticscholar.org/paper/Exploratory-Data-Analysis-Shekhar-Xiong/72fd91ed74ab310e474071e2bd8f9a0359a0c8f0?p2df
2. Hair, J.F., Jr., Multivariate data analysis, a global perspective. Kennesaw State University William C. Black Louisiana State University Barry J. Babin University of Southern Mississippi Rolph E. Anderson Drexel University from https://pdfs.semanticscholar.org/6885/bb9a29e8a5804a71bf5b6e813f2f966269bc.pdf
3. Data Analysis Using Regression and Multilevel/Hierarchical Models Andrew Gelman Jennifer Hill June 13, 2012 retrieve from http://lac-essex.wdfiles.com/local--files/meetings1213/gelman_1.pdf
4. Batch Normalization: Accelerating Deep Network Training by Reducing Internal Covariate Shift Sergey Ioffe Christian Szegedy Google, 1600 Amphitheatre Pkwy, Mountain View, CA 94043 retrieve from http://proceedings.mlr.press/v37/ioffe15.pdf
5. Statistical Topological Data Analysis using Persistence Landscapes Peter Bubenik Department of Mathematics Cleveland State University Cleveland, OH 44115-2214, USA retrieve from https://www.jmlr.org/papers/volume16/bubenik15a/bubenik15a.pdf