ProjectData | R Documentation |
This function allows projection of high-dimensional single-cell RNA expression data from a full dataset onto the lower-dimensional embedding of the sketch of the dataset.
ProjectData(
object,
assay = "RNA",
sketched.assay = "sketch",
sketched.reduction,
full.reduction,
dims,
normalization.method = c("LogNormalize", "SCT"),
refdata = NULL,
k.weight = 50,
umap.model = NULL,
recompute.neighbors = FALSE,
recompute.weights = FALSE,
verbose = TRUE
)
object |
A Seurat object. |
assay |
Assay name for the full data. Default is 'RNA'. |
sketched.assay |
Sketched assay name to project onto. Default is 'sketch'. |
sketched.reduction |
Dimensional reduction results of the sketched assay to project onto. |
full.reduction |
Dimensional reduction name for the projected full dataset. |
dims |
Dimensions to include in the projection. |
normalization.method |
Normalization method to use. Can be 'LogNormalize' or 'SCT'. Default is 'LogNormalize'. |
refdata |
An optional list for label transfer from sketch to full data. Default is NULL. Similar to refdata in 'MapQuery' |
k.weight |
Number of neighbors to consider when weighting labels for transfer. Default is 50. |
umap.model |
An optional pre-computed UMAP model. Default is NULL. |
recompute.neighbors |
Whether to recompute the neighbors for label transfer. Default is FALSE. |
recompute.weights |
Whether to recompute the weights for label transfer. Default is FALSE. |
verbose |
Print progress and diagnostic messages. |
A Seurat object with the full data projected onto the sketched dimensional reduction results. The projected data are stored in the specified full reduction.
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