One-year treasury security values
The yields at constant fixed maturity have been constructed by the Treasury Department, based on the most actively traded marketable treasury securities.
data(tcm1y)
The format is: Time-Series [1:558] from 1953 to 2000: 2.36 2.48 2.45 2.38 2.28 2.2 1.79 1.67 1.66 1.41 ...
From the tcm data set in the tseries package. Given here for convenience only. They reference http://www.federalreserve.gov/Releases/H15/data.htm
data(tcm1y) ar(diff(log(tcm1y)))
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