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pgirmess (version 1.3.9)

Data analysis in ecology

Description

Miscellaneous functions for analysis and display of ecological and spatial data

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Version

Install

install.packages('pgirmess')

Monthly Downloads

2,302

Version

1.3.9

License

GPL (>= 2)

Maintainer

Patrick Giraudoux

Last Published

July 27th, 2009

Functions in pgirmess (1.3.9)

diag2edge

Computes the edge of a square from its diagonal
val4symb

Centres a numerical vector on a parameter position and provides absolute values and colors according to negative and positive values
print.mc

print method for objects of class 'mc'
polycirc2

Computes the polygon coordinates of a circle sector
shannonbioboot

Boostrap Shannon's and equitability indices
valat

Expected values of a contingency table under the null hypothesis
valchisq

Values of the partial chi-square in each cell of a contingency table
pairsrp

Produces a matrix of scatterplot, regression coefficient and p(Ho)
polycirc

Computes the polygon coordinates of a circle
piankabio

Computes the Pianka's index of niche overlap
tabcont2categ

Convert a contingency table (data.frame) into a presence/absence table of categories
selMod

Model selection according to information theoretic methods
correlog

Computes Moran's or Geary's coefficients on distance classes
cormat

Gives a correlation matrix and the probability of Ho for each correlation
difshannonbio

Empirical confidence interval of the bootstrap of the difference between two Shannon indices
variogenv

Envelops for empirical variograms based on permutations
write.arcGrid

Writes an ArcInfo ASCII grid from a matrix or data frame, with x, y, z values.
pclig

Compute the percentage of each cell of a matrix or data.frame by row
siegelp179

Data on rats training
piankabioboot

Bootstrap Pianka's index
shannonbio

Computes Shannon's and equitability indices from a data frame of dietary analysis (n, biomass,...)
write.delim

Write a data.frame
shannon

Computes Shannon's and equitability indices
classnum

Gives an index vector of the class category of each value of a numerical vector
postxt

Computes coordinates defined from their relative position on x and y in the plotting region
pave

Provide square polygons or their node coordinates along a segment
preybiom

Jackal and Genet diet in Algeria
plot.variogenv

Plots empirical variogram and its envelop
kruskalmc

Multiple comparison test after Kruskal-Wallis