The source code for saspt is publicly available under an MIT license.

If you use state arrays in your research, please cite the state array paper (currently in preprint):

Alec Heckert, Liza Dahal, Robert Tijan, Xavier Darzacq (2022) Recovering mixtures of fast-diffusing states from short single-particle trajectories eLife 11:e70169 (

The trajectories used in the examples for the saspt repo were generated using the quot tool at Robert Tjian and Xavier Darzacq’s laboratory at University of California, Berkeley. Dyes used in these experiments were generously provided by the laboratory of Luke Lavis at Janelia Research Campus.