[Vegan-commits] r1257 - pkg/vegan/man

[noreply at r-forge.r-project.org]

Author: jarioksa
Date: 2010-08-17 09:56:05 +0200 (Tue, 17 Aug 2010)
New Revision: 1257

Modified:
   pkg/vegan/man/vegdist.Rd
Log:
Remove last visible \ from Rd files

Modified: pkg/vegan/man/vegdist.Rd
===================================================================
--- pkg/vegan/man/vegdist.Rd	2010-08-17 07:21:22 UTC (rev 1256)
+++ pkg/vegan/man/vegdist.Rd	2010-08-17 07:56:05 UTC (rev 1257)
@@ -151,17 +151,18 @@
   below one, and two identical communities may have dissimilarity
   slightly above zero.
   
-  Chao index tries to take into account the number of unseen species
-  pairs, similarly as Chao's method in
-  \code{\link{specpool}}. Function \code{vegdist} implements a Jaccard
-  type index defined as \eqn{d_{jk} = U_j U_k/(U_j + U_k - U_j U_k)}, where
-  \eqn{U_j = C_j/N_j + (N_k - 1)/N_k \times a_1/(2 a_2) \times S_j/N_j}. Here
-  \eqn{C_j} is the total number of individuals in species shared with
-  site \eqn{k}, \eqn{N} is the total number of individuals, \eqn{a_1}
-  and \eqn{a_2} are number of species occurring only with one or two
-  individuals in another site, and \eqn{S_j} is the number of
-  individuals in species that occur only with one individual in
-  another site (Chao et al. 2005).  
+  Chao index  tries to  take into account  the number of  unseen species
+  pairs, similarly as  Chao's method in \code{\link{specpool}}. Function
+  \code{vegdist} implements a Jaccard  type index defined as \eqn{d_{jk}
+  = U_j  U_k/(U_j +  U_k -  U_j U_k)}{d[jk] =  U[j]*U[k]/(U[j] +  U[k] -
+  U[j]*U[k])}, where  \eqn{U_j = C_j/N_j  + (N_k - 1)/N_k  \times a_1/(2
+  a_2) \times S_j/N_j}{U[j]  = C[j]/N[j] + (N[k] -1)/N[k]  * a1/(2*a2) *
+  S[j]/N[j]}. Here \eqn{C_j}{C[j]} is the total number of individuals in
+  species  shared with  site \eqn{k},  \eqn{N}  is the  total number  of
+  individuals,  \eqn{a_1}{a1} and  \eqn{a_2}{a2} are  number  of species
+  occurring  only with  one  or  two individuals  in  another site,  and
+  \eqn{S_j}{S[j]}  is the number  of individuals  in species  that occur
+  only with one individual in another site (Chao et al. 2005).
 
   Morisita index can be used with genuine count data (integers) only. Its
   Horn--Morisita variant is able to handle any abundance data.