RAVEEpoch | R Documentation |
Trial epoch, contains the following information: Block
experiment block/session string; Time
trial onset within that block;
Trial
trial number; Condition
trial condition. Other optional
columns are Event_xxx
(starts with "Event"). See
https://openwetware.org/wiki/RAVE:Epoching or more details.
self$table
If event
is one of "trial onset"
,
"default"
, ""
, or NULL
, then the result will be
"Time"
column; if the event is found, then return will be the
corresponding event column. When the event is not found and
missing
is "error"
, error will be raised; default is
to return "Time"
column, as it's trial onset and is mandatory.
If condition_type
is one of
"default"
, ""
, or NULL
, then the result will be
"Condition"
column; if the condition type is found, then return
will be the corresponding condition type column. When the condition type
is not found and missing
is "error"
, error will be raised;
default is to return "Condition"
column, as it's the default
and is mandatory.
name
epoch name, character
subject
RAVESubject
instance
data
a list of trial information, internally used
table
trial epoch table
.columns
epoch column names, internally used
columns
columns of trial table
n_trials
total number of trials
trials
trial numbers
available_events
available events other than trial onset
available_condition_type
available condition type other than the default
new()
constructor
RAVEEpoch$new(subject, name)
subject
RAVESubject
instance or character
name
character, make sure "epoch_<name>.csv"
is in meta
folder
trial_at()
get ith
trial
RAVEEpoch$trial_at(i, df = TRUE)
i
trial number
df
whether to return as data frame or a list
update_table()
manually update table field
RAVEEpoch$update_table()
set_trial()
set one trial
RAVEEpoch$set_trial(Block, Time, Trial, Condition, ...)
Block
block string
Time
time in second
Trial
positive integer, trial number
Condition
character, trial condition
...
other key-value pairs corresponding to other optional columns
get_event_colname()
Get epoch column name that represents the desired event
RAVEEpoch$get_event_colname( event = "", missing = c("warning", "error", "none") )
event
a character string of the event, see
$available_events
for all available events; set to
"trial onset"
, "default"
, or blank to use the default
missing
what to do if event is missing; default is to warn
get_condition_colname()
Get condition column name that represents the desired condition type
RAVEEpoch$get_condition_colname( condition_type, missing = c("warning", "error", "none") )
condition_type
a character string of the condition type, see
$available_condition_type
for all available condition types;
set to "default"
or blank to use the default
missing
what to do if condition type is missing; default is to warn if the condition column is not found.
clone()
The objects of this class are cloneable with this method.
RAVEEpoch$clone(deep = FALSE)
deep
Whether to make a deep clone.
# Please download DemoSubject ~700MB from
# https://github.com/beauchamplab/rave/releases/tag/v0.1.9-beta
## Not run:
# Load meta/epoch_auditory_onset.csv from subject demo/DemoSubject
epoch <-RAVEEpoch$new(subject = 'demo/DemoSubject',
name = 'auditory_onset')
# first several trials
head(epoch$table)
# query specific trial
old_trial1 <- epoch$trial_at(1)
# Create new trial or change existing trial
epoch$set_trial(Block = '008', Time = 10,
Trial = 1, Condition = 'AknownVmeant')
new_trial1 <- epoch$trial_at(1)
# Compare new and old trial 1
rbind(old_trial1, new_trial1)
# To get updated trial table, must update first
epoch$update_table()
head(epoch$table)
## End(Not run)
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