This is a generic function for selection of electrodes from an EEG dataset.
select_elecs(data, ...)
# S3 method for default
select_elecs(data, electrode = NULL, keep = TRUE, ...)
# S3 method for eeg_data
select_elecs(data, electrode, keep = TRUE, df_out = FALSE, ...)
# S3 method for eeg_evoked
select_elecs(data, electrode = NULL, keep = TRUE, df_out = FALSE, ...)
# S3 method for eeg_ICA
select_elecs(data, component, keep = TRUE, df_out = FALSE, ...)
# S3 method for eeg_tfr
select_elecs(data, electrode, keep = TRUE, df_out = FALSE, ...)
An EEG dataset.
Arguments used with related methods
A character vector of electrode labels for selection or removal.
Defaults to TRUE. Set to false to remove the selected electrodes.
Defaults to FALSE. Set to TRUE to return a dataframe rather
than an eeg_data
object.
Component to select
Data frame with only data from the chosen electrodes
eeg_data
object with selected electrodes removed/kept.
default
: Select electrodes from a generic data frame.
eeg_data
: Select electrodes from a eeg_data
object.
eeg_evoked
: Select electrode from an eeg_evoked object
eeg_ICA
: Select components from eeg_ICA
objects.
eeg_tfr
: Select electrodes from eeg_tfr
objects.
select_times()
and select_epochs()
Other Data selection functions:
select_times()
names(demo_epochs$signals)
#> [1] "A5" "A13" "A21" "A29" "A31" "B5" "B6" "B8" "B16" "B18" "B26"
keep_A5 <- select_elecs(demo_epochs, electrode = "A5")
remove_A5 <- select_elecs(demo_epochs, electrode = "A5", keep = FALSE)
select_elecs(demo_epochs, c("A21", "A29"))
#> Epoched EEG data
#>
#> Number of channels : 2
#> Number of epochs : 80
#> Epoch limits : -0.197 - 0.451 seconds
#> Electrode names : A21 A29
#> Sampling rate : 128 Hz
#> Reference : average