Subset a SingleCellAssay
# S4 method for SingleCellAssay
[(x, i, j, ..., drop = FALSE)SingleCellAssay
logical, integer or character (naming wellKeys)
logical, integer or character (naming primerid)
ignored
ignored
SingleCellAssay, suitably subsetted
signature(x="SingleCellAssay", i="ANY"):
x[i], where i is a logical, integer, or
character vector, recycled as necessary to match
nrow(x). Optional x[[i,j]] where j is a
logical, integer or character vector selecting the features
based on ``primerid'' which is unique, while ``geneid'' or
gene name is not necessarily unique.