Map a function over subjects in an fmri_group

Map a function over subjects in an fmri_group

Usage

group_map(
  gd,
  .f,
  ...,
  out = c("list", "bind_rows"),
  order_by = NULL,
  on_error = c("stop", "warn", "skip")
)

Arguments

gd

An fmri_group.

.f

A function with signature function(row, ...) where row is a one-row data.frame corresponding to a single subject.

...

Additional arguments passed through to .f.

out

Either "list" (default) or "bind_rows" describing how to collect outputs.

order_by

Optional column name used to define iteration order.

on_error

One of "stop", "warn", or "skip" describing how to handle errors raised by .f.

Value

Either a list (for out = "list") or a bound table (for out = "bind_rows").