A univariate time series object of class "ts". Frequency is set to 23 – the approximate number of observations per year.
Verbesselt, J., R. Hyndman, G. Newnham, and D. Culvenor (2009). Detecting trend and seasonal changes in satellite image time series. Remote Sensing of Environment. http://dx.doi.org/10.1016/j.rse.2009.08.014. Or see http://robjhyndman.com/papers/bfast1.
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