Pvalue for a discrete distribution on small sample data
Description
Computes the pvalue for a twosided hypothesis test following Dixon's (2002:145) description of the method of Agresti & Min (2001).
Usage
1 
Arguments
Z 

nsim 
Number of simulated values. 
Value
Pvalue of the twosided hypothesis test
Note
This function is usually not to be called by the user. It is internally used by dixon2002
.
Author(s)
Marcelino de la Cruz Rot. marcelino.delacruz@upm.es
References
Agresti, A. & Min, Y. 2001. On smallsample confidence intervals
for parameters in discrete distributions. Biometrics, 57: 963971.
Dixon, P.M. 2002. Nearestneighbor contingency table analysis
of spatial segregation for several species. Ecoscience, 9(2): 142151.