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sucesful
2010 Feb 22
2
Creating regularly spaced time series from irregular one
Hello,
I have a series of intraday (high-frequency) price data in the form of POSIX
timestamp followed by the value.
I sucesfuly loaded that into "its" package object. I would like to create
from it a regularly spaced time series of prices (for example 1min, 5min,
etc apart) so i could calcualte returns.
There is an interpolation function locf() that for timestamp with value NA
uses last