inst/doc/read-ephys.R

In ieegio: File IO for Intracranial Electroencephalography

## ----include = FALSE, echo = FALSE, results='hide'----------------------------
# Sys.setenv("IEEGIO_PKGDOWN" = "TRUE")
if(identical(Sys.getenv("IEEGIO_PKGDOWN", unset = ""), "")) {
  knitr::opts_chunk$set(
    collapse = TRUE,
    comment = "#>",
    eval = FALSE
  )
} else {
  knitr::opts_chunk$set(
    collapse = TRUE,
    comment = "#>"
  )
  cache_dir <- tools::R_user_dir("ieegio", "cache")
  dir.create(cache_dir, showWarnings = FALSE, recursive = TRUE)
  cache_dir <- normalizePath(cache_dir, mustWork = TRUE)
  options("ieegio.extract_path", cache_dir)
}

## ----sample-------------------------------------------------------------------
# library(ieegio)
# edf_path <- ieegio_sample_data("edfPlusD.edf")

## ----read_edf-----------------------------------------------------------------
# edf <- read_edf(edf_path, verbose = FALSE)
# print(edf)

## ----edf_methods--------------------------------------------------------------
# header <- edf$get_header()
# str(header)
# 
# chan_tbl <- edf$get_channel_table()
# print(chan_tbl, nrows = 2, topn = 2)
# 
# annot <- edf$get_annotations()
# annot

## ----get_channel--------------------------------------------------------------
# # get Channel 1
# channel <- edf$get_channel(1)
# channel

## ----plot_channel-------------------------------------------------------------
# plot(
#   x = channel$time, y = channel$value,
#   xlab = "Time", ylab = channel$info$Unit,
#   main = channel$info$Label,
#   type = "p", pch = ".", col = "green", lwd = 2
# )