assign_sc_cords         The function to assign the spatial location
                        information for each single cell
CARD_deconvolution      Spatially Informed Cell Type Deconvolution for
                        Spatial Transcriptomics by CARD
CARD_imputation         Construct an enhanced spatial expression map on
                        the unmeasured tissue locations
CARD_refFree            Extension of CARD into a reference-free version
                        of deconvolution: CARDfree.
CARD_scmapping          Extension of CARD into performing single cell
                        Mapping from non-single cell spatial
                        transcriptomics dataset.
CARD_visualize_Cor      Visualize the cell type proportion correlation
CARD_visualize_gene     Visualize the spatial distribution of cell type
                        proportion
CARD_visualize_pie      Visualize the spatial distribution of cell type
                        proportion in a geom scatterpie plot
CARD_visualize_prop     Visualize the spatial distribution of cell type
                        proportion
CARD_visualize_prop_2CT
                        Visualize the spatial distribution of two cell
                        type proportions on the same plot
CARD-class              Each CARD object has a number of slots which
                        store information. Key slots to access are
                        listed below.
CARDfree                SpatialDeconv function based on Conditional
                        Autoregressive model
CARDfree-class          Each CARDfree object has a number of slots
                        which store information. Key slots to access
                        are listed below.
CARDref                 SpatialDeconv function based on Conditional
                        Autoregressive model
create_ref              Construct the mean gene expression basis matrix
                        (B), this is the faster version
createCARDfreeObject    Create the CARD object
createCARDObject        Create the CARD object
get_high_res_cords      The function to sample the spatial location
                        information for each single cell
get_weight_for_cell     The function to estimate the cell type
                        composition signature for each single cell in
                        the scRNaseq reference data
markerList              marker gene list
mvn_cv                  Imputation and Construction of High-Resolution
                        Spatial Maps for Cell Type Composition and Gene
                        Expression by the spatial correlation structure
                        between original spatial locations and new
                        grided spatial locations
norm_coords_train_test
                        Normalize the new spatial locations without
                        changing the shape and relative positions
sample_grid_within      Make new spatial locations on unmeasured tissue
                        through grids.
sc_count                scRNA-seq count data
sc_meta                 scRNAseq meta data
sc_QC                   Quality control of scRNA-seq count data
select_info             Select Informative Genes used in the
                        deconvolution
show,CARD-method        Show method for the CARD class
show,CARDfree-method    Show method for the CARDfree class
Sigma                   Calculate the variance covariance matrix used
                        in the imputation of the new grided locations
spatial_count           Spatial transcriptomics count data
spatial_location        Spatial location data
