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pgirmess (version 1.4.0)

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

1.4.0

License

GPL (>= 2)

Maintainer

Patrick Giraudoux

Last Published

September 13th, 2009

Functions in pgirmess (1.4.0)

piankabioboot

Bootstrap Pianka's index
polycirc

Computes the polygon coordinates of a circle
selMod

Model selection according to information theoretic methods
valchisq

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

Boostrap Shannon's and equitability indices
valat

Expected values of a contingency table under the null hypothesis
piankabio

Computes the Pianka's index of niche overlap
diag2edge

Computes the edge of a square from its diagonal
pairsrp

Produces a matrix of scatterplot, regression coefficient and p(Ho)
tabcont2categ

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

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

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

Computes coordinates defined from their relative position on x and y in the plotting region
write.delim

Write a data.frame
correlog

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

Jackal and Genet diet in Algeria
cormat

Gives a correlation matrix and the probability of Ho for each correlation
siegelp179

Data on rats training
pave

Provide square polygons or their node coordinates along a segment
pclig

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

Computes Shannon's and equitability indices
val4symb

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

Multiple comparison test after Kruskal-Wallis
classnum

Gives an index vector of the class category of each value of a numerical vector
print.mc

print method for objects of class 'mc'
polycirc2

Computes the polygon coordinates of a circle sector
write.arcGrid

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