Dear friends,
  When i read the R-help , i often find the following case:
e.g.:surf.gls(np, covmod, x, y, z, nx = 1000, ...)  #Package Spatial:

Arguments:

  covmod: function to evaluate covariance or correlation function
   *     ...: parameters for 'covmod'*

How should i find the further information on "*...: parameters for 'covmod'*" ?
 I use the ?covmod, but can't find the information.
Could anybody give me the general method to do so?
-- 
With Kind Regards,

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Zhi Jie,Zhang ,PHD
Tel:86-21-54237149   epistat@gmail.com
Dept. of Epidemiology,school of public health,Fudan University
Address:No. 138 Yi Xue Yuan Road,Shanghai,China
Postcode:200032
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