Search Results for author: Songting Shi

Found 4 papers, 2 papers with code

Visualizing Data using GTSNE

1 code implementation3 Aug 2021 Songting Shi

We present a new method GTSNE to visualize high-dimensional data points in the two dimensional map.

Visualizing Data Velocity using DSNE

1 code implementation15 Mar 2021 Songting Shi

The technique is a variation of Stochastic Neighbor Embedding, which uses the Euclidean distance on the unit sphere between the unit-length velocity of the point and the unit-length direction from the point to its near neighbors to define similarities, and try to match the two kinds of similarities in the high dimension space and low dimension space to find the velocity embeddings on the low dimension space.

A Tutorial on the Mathematical Model of Single Cell Variational Inference

no code implementations3 Jan 2021 Songting Shi

As the large amount of sequencing data accumulated in past decades and it is still accumulating, we need to handle the more and more sequencing data.

Variational Inference

Learning the Sparse and Low Rank PARAFAC Decomposition via the Elastic Net

no code implementations29 May 2017 Songting Shi, Xiang Li, Arkadiusz Sitek, Quanzheng Li

In this article, we derive a Bayesian model to learning the sparse and low rank PARAFAC decomposition for the observed tensor with missing values via the elastic net, with property to find the true rank and sparse factor matrix which is robust to the noise.

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