Check the data is in the correct form
check_data
checks the data.
check_data(data, p)
data
: a matrix or class 'ts'
object with d>1
columns. Each column is taken to represent a univariate time series. Missing values are not supported.p
: a positive integer specifying the autoregressive orderChecks the data and tries to correct it. Throws an error if something is wrong and returns the corrected data otherwise.