Hello,

I am trying to conduct a time series analysis on historic hydrologic data,
but I cannot coerce it into class ts because it does not have regular
sampling intervals (some years have 20 samples, other have 8). Specifically
I am trying to perform a CUSUM or or other step change detection, but the
packages all seem to require data as ts.

Is there a way to coerce my data into ts while maintaining all of my
samples?

Or alternatively, can someone recommend a package that does not require data
as ts?

Thanks!



-- 
Erin Hestir
Center for Spatial Technology and Remote Sensing
University of California Davis

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