Apply a fitted preprocessing engine
Value
A numeric model matrix transformed using only the parameters stored in the fitted preprocessor.
Examples
example_data <- data.frame(
participant_id = rep(sprintf("P%02d", 1:12), each = 2),
trial_id = sprintf("T%02d", 1:24),
stimulus_id = rep(c("S01", "S02"), 12),
condition = rep(c("A", "B"), 12),
fixation_duration = 180 + seq_len(24),
pupil_change = sin(seq_len(24) / 3),
stringsAsFactors = FALSE
)
example_data$quality_status <- factor(
c(
"pass", "review", "pass", "review", "review", "pass",
"review", "pass", "pass", "review", "review", "pass",
"review", "pass", "review", "pass", "pass", "review",
"pass", "review", "review", "pass", "pass", "review"
),
levels = c("pass", "review")
)
preprocessor <- fit_gazepoint_preprocessor(
data = example_data,
predictors = c(
"fixation_duration",
"pupil_change",
"condition"
)
)
baked <- bake_gazepoint_preprocessor(
preprocessor,
example_data
)
dim(baked)
#> [1] 24 4