Introduction to the R package rich - Jean-Pierre Rossi
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The current stable version (rich 1.0.1) is available from CRAN. You can also install rich from R by simply typing: install.packages("rich", dep=TRUE) The development version is hosted by R-Forge and you can install it from R by typing: install.packages("rich", repos="http://R-Forge.R-project.org", dep=TRUE)
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What is rich ?
rich is a set of functions designed to perform simple species richness analyses. Readers will find interesting R resources in the package vegan (Oksanen et al. 2016).
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Basic features
The function rich computes the species richness on the basis of bootstrap estimation. library(rich) data(ef) # Bootstrap estimation based on 99 randomizations o1
Species richnesses are computed as the cumulative value over all samples. Richnesses are .... invertebrate diversity: A case study in southern French Guiana.
Jun 7, 2016 - 2015) sim01 simulated haploid genotypic dataset exhibiting clear spatial ..... Sp. ## 1 -0.1664517 0.1898369. The variogram is the sum of the .... Altitudinal Gradient in the French Alps.â Annals of Forest Science 72: 517â27.
a suite of operators for calculations on arrays, in particular matrices,. ⢠a large ..... Character quantities and character vectors are used frequently in R, for example as plot labels. Where needed ...... Convert Rd format to DVI/PDF. Rd2txt. Con
Jun 7, 2016 - A good place to start is the vignettes, which you can access by typing .... inferring the dispersal pattern of a partially clonal species: example of the chestnut blight fungus. Molecular .... This function is intended be used to manage
language, one should regard most programs written in R as essentially ephemeral. 1.2 Related ..... elements of a vector respectively. range is a function whose value is a vector of length two, ... The fifth parameter may be named along=vector, which
Go to the nearest mirror site (France: Toulouse, URL: cran.cict.fr) ... Go to Software/Packages (left column) ... Download the .zip file (exe) and the .pdf file (manual).
participant, as in the traditional "dative of interest" of some Romance languages (e.g. Spanish .... The grammar of causation and interpersonal manipulation.
Oct 18, 2018 - Computes 3 multiple-site dissimilarities accounting for the spatial turnover and the nestedness com- ponents of beta diversity, and the sum of ...
6 print(dat,flag.stats=T,name=4). ⢠Specify the variable roles (locators): dat=db.locate(dat,2:3,"x") ... Update the previous selection so as to keep samples (141):.
o What can be estimated ? Estimation. ⢠Punctual estimation. ⢠Block average estimation. Estimate the value Z. 0 at the nodes of. Geostatistics & RGeostats. 2.
Jun 2, 2012 - the R distribution library (if you succeeded installing RGeoS using the admin- istrator privileges) or in a private directory. This instruction can be ...
LBM theory, discuss essential advantages and limitations of the method, and focus on ... All theoretical and exercise lectures will be given in room CC2.21.
Aug 20, 2008 - Let us take an example: an object image will contain ... Let's take an example and compare traditional programming with object programming.
Page 1 .... Calculate: ⢠The mean and variance. ⢠The experimental variogram for the lag 1m, 2m and 3m. + + + + + + + + + + + + + ... Rank Npairs Distance Value.
Getting Started manual for installation of RGeostats package. 1 History of the .... First file for future use. The contents of the .First file ... l s ( pos=2). Another way to ...
o Why multivariate geostatistics. Introduction. ⢠Highlight structural relationship between variables. ⢠Improve the estimation of one variable using auxiliary ...
TO-251 (FS PKG Code 39). TO-251 Package Dimensions. April 2001, Rev. A. 1:1. Scale 1:1 on letter size paper. Dimensions shown below are in: millimeters.
Dec 12, 2007 - Perturbation theory starts from what is known to evaluate what is not known, hoping that the difference is small... Let's say we know G0 that ...
