Converts a longitudinal data.frame comprising trajectories with an equal number of observations, measured at identical moments in time, to a matrix. Each row of the matrix represents a trajectory.
dcastRepeatedMeasures(
data,
response,
id = getOption("latrend.id"),
time = getOption("latrend.time")
)The matrix containing a trajectory on each row.
The response column name.
The id column name.
The time column name.
A matrix with a trajectory per row.