cubs
for consistency and validity.Checks the input variables for the procedure cubs
for consistency and validity.
.checkCubs(tsCU, tsVA, lambda, frequency)
A multiple time series containing three survey time series, the first element needs to be capacity utilization in industry, see details. Alternatively, a list of time series can be supplied.
A multiple time series containing three value added series that correspond to
tsCU
. Alternatively, a list of time series can be supplied.
The smoothing parameter for the application of the HP filter (see details).
If not supplied, lambda = 6.25
is used for yearly data and lambda = 1600
for quarterly data.
The frequency of the computed cubs indicator. Possible entries are
frequency = 1
(annual), frequency = 4
(quarterly). The default is
frequency = 1
.