Dear R-users,
  I would like a suggestion.
  I have two time series covering the period 1000-2000 a.D. and I would like to understand if there are some time significant correlations between them. Samples in the first time series are quite compact because about a sample per year is available. 
  The second one is a time serie where  values are quite sporadic, i.e. there is a value every 20-50 years.
  Which is the best way to procede? How to compare them? 
  I tried to consider average values over the same time interval (e.g. 100 years) 
  and running averages (es. time intervals of 100 years shifted by 20 y). I think that running average over overlapping intervals can influence correlation. How to consider the significativity of my test?
  Thank You very Much
  Michela Rosso

       
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