subsetting in xts using a parameter holding dates

Question

I am familiar with the xts subsetting abilities. However, I can\'t find an elegant way to subset a parameterized range of dates. something like this:

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Answer 1

For those who are racking their brain to do this for non Posix. Especially for quarter based data i.e. 2001 Q2 to 2006 Q3.

I used a simple yet elegant solution:

library(xts)

starting.quarter<-"200101"
ending.quarter<-"201702"

oil_price_by_qtr<-oil_price_by_qtr[paste(starting.quarter,ending.quarter,sep="/")]

And this will subset the XTS object from 2001 Q1 to 2017 Q2.

May this help some other poor soul avoid losing 2 hours of his life.