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2012 Apr 20
0
Select interval of time series object by date and time
...orian wrote > > Hy, > > I want to select an interval of a time series (containing intraday data) > by the data and a certain time frame (e.g. 9 AM to 10 AM). However, I do > not know how to specify the time during the day: > > #load data > library(RTAQ) > data("sample_tdata") > data=sample_tdata > return=makeReturns(data$PRICE) > > #I would like to use some command like this to get only the data between 9 > and 10 > window(return,start=as.Date("2008-01-04"),end=as.Date("2008-01-04")) > > Thank you very much in advance...