A parallel coordinate graph display the relationship between multiple variables by visualizing high-dimensional geometry. Viewers can look at many different variables simultaneously. This example is interested in visualizing the expression of genes. By using a parallel coordinate graph, scientists are able to utilize spatial information and its relationship between different gene's expression patterns. The parallel coordinates represent each gene in a parallel axis where expression levels are defined on a point of each axis. Connecting these points of axes allow cell to be represented by a polyline.
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