US monthly unemployment rate from January 1967 to November 2009; the 515 monthly observations are seasonally adjusted.
UTF-8
unemployment
Format
A time series with 515 observations; the object is of class ts.
References
de Carvalho, M., Turkman, K. F. and Rua, A. (2013) Dynamic threshold modelling and the US business cycle. Journal of the Royal Statistical Society, Ser. C, 62 , 535-550.