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This has created the opportunity to move beyond quantifying the composition of cell types in tissue, and instead probe the spatial relationships between cells. However, most current methods for clustering data from these assays only consider the expression values of cells and ignore the spatial context. Furthermore, existing approaches do not account for prior information about the expected cell populations in a sample.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>To address these shortcomings, we developed SpatialSort, a spatially aware Bayesian clustering approach that allows for the incorporation of prior biological knowledge. Our method is able to account for the affinities of cells of different types to neighbour in space, and by incorporating prior information about expected cell populations, it is able to simultaneously improve clustering accuracy and perform automated annotation of clusters. Using synthetic and real data, we show that by using spatial and prior information SpatialSort improves clustering accuracy. We also demonstrate how SpatialSort can perform label transfer between spatial and nonspatial modalities through the analysis of a real world diffuse large B-cell lymphoma dataset.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Availability and implementation<\/jats:title>\n                    <jats:p>Source code is available on Github at: https:\/\/github.com\/Roth-Lab\/SpatialSort.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/bioinformatics\/btad242","type":"journal-article","created":{"date-parts":[[2023,5,24]],"date-time":"2023-05-24T20:28:41Z","timestamp":1684960121000},"page":"i131-i139","source":"Crossref","is-referenced-by-count":5,"title":["SpatialSort: a Bayesian model for clustering and cell population annotation of spatial proteomics data"],"prefix":"10.1093","volume":"39","author":[{"given":"Eric","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Molecular Oncology, BC Cancer 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