Looking at multidimensional data can be difficult because at most humans usually can only visualize 3 dimensions.
http://www.math.yorku.ca/SCS/sugi/sugi16-paper.html
https://cacm.acm.org/magazines/2010/6/92482-a-tour-through-the-visualization-zoo/fulltext
https://www.quora.com/Whats-the-best-way-to-visualize-high-dimensional-data
http://scikit-learn.org/stable/modules/manifold.html