| allocateCells | Annotate all cells with contour level of cell type-specific density. |
| cellsInRegion | Check which cells are in which regions |
| computeDensity | Perform kernel density estimation on SpatialExperiment |
| computeDensityHex | Perform kernel density estimation on SpatialExperiment |
| contour2sf | Draw a contour region on some density level |
| coord_hash | Hash two 15-bytes signed integers into one 32-bytes integer. |
| corDensity | Test for density correlation between two cell types. |
| findNbrsGrid | Construct a neighbour list from grid coordinates. |
| findNbrsSNN | Construct a SNN neighbour list from assay. |
| findNbrsSpatial | Construct a distance-based neighbour list from cell coordinates. |
| findROI | Find ROIs based on cell type-specific densities via graph-based method. |
| getClusters | Cluster cells in spe using graph methods. |
| getContour | Get contour from density |
| getContourRegions | Calculate areas between every two density levels |
| getNiche | Build a niche assay based on the profile of neighbouring cells |
| globalMoran | Calculate global Moran for 1 to 2 variables. |
| grid2df | Convert x,y nodes to data.frame of polygons |
| grid2sf | Convert x,y nodes to sf polygons |
| gridDensity | Perform kernel density estimation on SpatialExperiment for cell types of interest |
| gridSPE | Summarize a SpatialExperiment object at grid-level |
| localMoran | Calculate local Moran for 1 to 2 variables. |
| mergeROI | Manually merge ROIs |
| normalizeAssay | Perform log normalization for counts |
| plotCellCompo | Plot cell type composition in each density level of cell of interest. |
| plotContour | Plot contour lines. |
| plotContourRegion | Visualising an sf object (for internal use only at the moment) |
| plotCorHeatmap | Plot model statistics using heatmap. |
| plotDensCor | Plot density correlation between two cell types |
| plotDensity | Plot grid-based density. |
| plotDR | Plot reduced dimensions. |
| plotGrid | Plot grid from metadata. |
| plotImage | Plot background image of spe |
| plotLISA | Plotting LISA (e.g. moran) |
| plotPCA | Plot reduced dimensions. |
| plotROI | Plot ROIs on spatial. |
| plotSpatial | Plot cells based on spatial coordinates. |
| plotUMAP | Plot reduced dimensions. |
| postSelRegion | Merge sel_region from the selectRegion function to SpatialExperiment. |
| realignVisium | Scale and straighten out Visium coordinates |
| realignVisiumHD | Scale and straighten out VisiumHD coordinates |
| runPCA | Fast PCA using irlba. |
| runUMAP | UMAP using uwot. Parameters are set to be similar to Seurat's |
| selectRegion | Select region of interest from plot |
| spe2PB | Given a 'SpatialExperiment' data object, create pseudo-bulk samples using the colData information and return a DGEList object |
| update_bound | Update the x,y limits of a plot |
| [-method | Subset for grid level analysis |