How to compute a correlation between two time ranges?

Yla Savh <yulya258 at ...> writes:

Dear forum members:
?
I have two series of times to compare. Additionally, I have
to allow for a buffer before and after the times so that they can
be within 20
seconds of each other and not seem discordant. 

[snip]

 This is the wrong list for your question; you might try
r-help at r-project.org or Stack Overflow.  Furthermore, your
question isn't very precisely posed as a statistical
question -- you might take a look at cross-correlation analysis
(?ccf)

  good luck
    Ben Bolker