Add a new column to the obs table

Add a new column to the obs table

Usage

set_sc_new_obs_col(object, col_name, new_data)

Arguments

object

SingleCells class.

col_name

String. The name of the column to add.

new_data

Atomic vector. The data to add to the column. Needs to be of same length as get_cells_to_keep() and have the same order!

Value

The class with updated obs table in the DuckDB

Examples

# one new column, in the order of the cells that passed quality control
sc <- demo_single_cells(prepped = FALSE)
sc <- set_sc_new_obs_col(
  sc,
  col_name = "arm",
  new_data = rep(c("ctrl", "treated"), length.out = dim(sc)[1])
)
table(get_sc_obs(sc)$arm)
#> 
#>    ctrl treated 
#>     250     250 

unlink(sc@dir_data, recursive = TRUE, force = TRUE)