R:

I got a warning message when running the cor.test function using both 
Spearman and Kendall rank correlations saying that the p-value may be 
incorrect due to ties in the data.  My data has 35 obs and one series has 
6 pairs of ties.  Does anyone know if this would likely have a great 
effect on the p-values calculated..  The values look good;  tau = -0.68 
with p-value = 8e-9 and rho = =0.84 with p-value = 8e-8.

Thanks,

Jason Higbee
Research Associate
Federal Reserve Bank of St. Louis
E: jason.l.higbee@stls.frb.org
The views expressed in this email are the author's and not necessarily 
those of the Federal Reserve Bank of St. Louis or the Federal Reserve 
System
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