event_factor | R Documentation |
This function generates a categorical event sequence object from a given factor. It can be used to create event sequences for categorical predictors in fMRI data analyses.
event_factor(
fac,
name,
onsets,
blockids = rep(1, length(fac)),
durations = rep(0, length(fac))
)
fac |
A factor representing the categorical event sequence |
name |
A character string providing a name for the event sequence |
onsets |
A numeric vector of onsets for each event in the sequence |
blockids |
A numeric vector of block identifiers for each event in the sequence (default: rep(1, length(fac))) |
durations |
A numeric vector of durations for each event in the sequence (default: rep(0, length(fac))) |
An object representing the categorical event sequence, with class "event_factor" and "event_seq"
EV
, event_model
efac <- event_factor(factor(c("a", "b", "c", "a", "b", "c")), "abc", onsets=seq(1, 100, length.out=6))
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