Compute L-R score for each spot

Usage

get_lr(spe, resource = "Consensus", method = "min", organism = "human")

spe: SpatialExperiment object
resource: "consensus" table from Omnipath as default, the user can provide a data frame containing L-R pairs. The data frame should contain at least the following two columns: source_genesymbol = ligands, target_genesymbol = receptors
method: mathematical approach to compute L-R scores. Options: min, and product L-R, default is product
organism: choose the organism to be considered, default human, options: human or mouse