tango.stat

Hi there,

I?m new to R and was hoping someone could help me out. Hopefully it?s
something simple I have missed!

I? m using tango.stat from the DCluster package - 
http://www.inside-r.org/packages/cran/DCluster/docs/tango.stat
<http://www.inside-r.org/packages/cran/DCluster/docs/tango.stat>  

I ran the listed example (Sids) and it runs without error (to be expected).

When I run my substituted values from the imported csv file I get the
following error;

# #use exp(-D) as closeness matrix
tango.stat(drown, col.W.tango, zero.policy=TRUE)

*Error in array(x, c(length(x), 1L), if (!is.null(names(x))) list(names(x), 
: 
  'data' must be of a vector type, was 'NULL'*

tango.test(Obs_count~offset(log(Exp_count)), drown , model="poisson",
R=999, list=col.W.tango, zero.policy=TRUE)

Although the error appears I still get the values:

	Tango's test of global clustering 
	Type of boots.: parametric 
	Model used when sampling: Poisson 
	Number of simulations: 999 
	Statistic:  0.01126845 
	p-value :  0.001

Essentially I want to know:

1.	If the error has any impact on the end calculation?
2.	And if so, what do I need to modify to ensure that the values are
correct?

Please let me know if more information is required. 

Regards

Rob  



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