remove_triggers: Remove triggers from the ETG-4000 data

In erzk/fnirsr: Package for analysing funtional near-infrared spectroscopy (fNIRS) data

Description

Removes triggers/markings from ETG-4000 files. Triggers are replaced with 0. This functions can replace all triggers or every other trigger. The latter prepares data frames to be loaded into Homer2.

Usage

remove_triggers(x, trigger = NULL, n = "every")

Arguments

x	A data frame with an ETG-4000 data.
trigger	An integer representign a trigger/marking to remove.
n	A character describing which trigger to remove. Allowed options: 'every' (default - removed all triggers) and 'every_other' (removes every other trigger - to prepare ETG-4000 data for loading into Homer2).

Value

A data frame.

Examples

file_path <- system.file("extdata", "Hitachi_ETG4000_24Ch_Total.csv", package = "fnirsr")
ETG_header <- load_ETG4000_header(file_path)
ETG_data <-load_ETG4000_data(file_path, ETG_header)
remove_triggers(ETG_data, 1)
remove_triggers(ETG_data, 1, "every_other")

erzk/fnirsr documentation built on May 16, 2019, 8:50 a.m.