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The art of using t-SNE for single-cell transcriptomics

nature.com · 9,064 words · saved by 1 readers

t-SNE is widely used for dimensionality reduction and visualization of high-dimensional single-cell data. Here, the authors introduce a protocol to help avoid common shortcomings of t-SNE, for example, enabling preservation of the global structure of the data.

Introduction Recent years have seen a rapid growth of interest in single-cell RNA sequencing (scRNA-seq), or single-cell transcriptomics1,2. Through improved experimental techniques it has become possible to obtain gene expression data from thousands or even millions of cells3,4,5,6,7,8. Computational analysis of such data sets often entails unsupervised, exploratory steps including dimensionality reduction for visualisation. To this end, many studies today are using t-distributed stochastic neighbour embedding, or t-SNE9. This technique maps a set of high-dimensional points to two…

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