Convert a data frame to a named list by grouping

Groups a data frame by one column and collects values from another column into a named list.

Usage

df2list(data, group_col, value_col)

Arguments

data

A data.frame or tibble.

group_col

Character. Column name to use as list names.

value_col

Character. Column name to collect as list values.

Value

A named list where each element is a vector of values for that group.

Examples

df <- data.frame(
  cell_type = c("T_cells", "T_cells", "B_cells", "B_cells"),
  marker    = c("CD3D", "CD3E", "CD79A", "MS4A1")
)
df2list(df, "cell_type", "marker")
#> $B_cells
#> [1] "CD79A" "MS4A1"
#> 
#> $T_cells
#> [1] "CD3D" "CD3E"
#>