Read events from CSV/TSV file — readEventsCSV • PhysioIO

Reads event markers from a CSV file with onset, duration, and type columns.

Usage

readEventsCSV(
  path,
  onset_col = "onset",
  duration_col = "duration",
  type_col = "type",
  value_col = "value",
  sep = ",",
  ...
)

Arguments

path: Path to the CSV file.
onset_col: Name of the onset column (in seconds).
duration_col: Name of the duration column.
type_col: Name of the event type column.
value_col: Name of the event value column.
sep: Column separator.
...: Additional arguments passed to read.csv.

Value

A PhysioEvents object.

References

Wickham H (2014). "Tidy Data." Journal of Statistical Software, 59(10), 1-23. doi:10.18637/jss.v059.i10

See also

writeEventsCSV, readCSV, readBIDS

Examples

# Write events to a temporary CSV, then read them back
events <- PhysioEvents(
  onset = c(1.0, 2.5, 4.0),
  duration = c(0.5, 0.5, 0.5),
  type = c("stimulus", "stimulus", "response"),
  value = c("A", "B", "correct")
)
tmp <- tempfile(fileext = ".csv")
writeEventsCSV(events, tmp)

events_in <- readEventsCSV(tmp)
unlink(tmp)