Data analysis in ecology

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Documentation for package `pgirmess' version 1.2.9

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CI Confidence interval of percentages
classnum Gives an index vector of the class category of each value of a numerical vector
cormat Gives a correlation matrix and the probability of Ho for each correlation
correlog Computes Moran's or Geary's coefficients on distance classes
deg2dec Convert degree minutes coordinates into decimal degrees (1.60 = 2)
diag2edge Computes the edge of a square from its diagonal
difshannonbio Empirical confidence interval of the bootstrap of the difference between two Shannon indices
distNode Computes the distances between each nodes of a polyline.
distPolylines Computes the length of each lines of an output (polylines) of 'read.shape' from maptools.
distSeg Computes the distances between the top coordinates of segments.
distTot Computes the total length of a polyline.
distTotshp Computes the total length of the lines of an output of 'read.shape' from maptools.
expandpoly Homothetia (size expansion) of a polygon
friedmanmc Multiple comparisons after Friedman test
kruskalmc Multiple comparison test after Kruskal-Wallis
ks.gof Kolmogorof-Smirnov goodness of fit test to normal distribution
pairsrp Produces a matrix of scatterplot, regression coefficient and p(Ho)
pave Provide square polygons or their node coordinates along a segment
pclig Compute the percentage of each cell of a matrix by row
permcont Random permutation of a contingency table n row x 2 columns
PermTest Permutation test for lm, lme and glm (binomial and Poisson) objects
piankabio Computes the Pianka's index of niche overlap
piankabioboot Bootstrap Pianka's index
plot.correlog Computes Moran's or Geary's coefficients on distance classes
plot.variogenv Plots empirical variogram and its envelop
polycirc Computes the polygon coordinates of a circle
postxt Computes coordinates defined from their relative position on x and y in the plotting region
preybiom Jackal and Genet diet in Algeria
print.clnum Gives an index vector of the class category of each value of a numerical vector
print.correlog Computes Moran's or Geary's coefficients on distance classes
print.mc print method for objects of class 'mc'
print.PermTest Permutation test for lm, lme and glm (binomial and Poisson) objects
rmls Select objects in the parent frame and remove them.
Segments Draw line segments between pairs of points.
selMod Model selection according to information theoretic methods
shannon Computes Shannon's and equitability indices from a probability vector (sum = 1)
shannonbio Computes Shannon's and equitability indices from a data frame of dietary analysis (n, biomass,...)
shannonbioboot Boostrap Shannon's and equitability indices
siegelp179 Data on rats training
tabcont2categ Convert a contingency table (data.frame) into a presence/absence table of categories
trans2pix Convert a transect coordinate file with some landmarks into a matrix with intermediate coordinates.
trans2seg Convert a transect coordinate file into a matrix with segment coordinates.
TukeyHSDs Simplify the list of a TukeyHSD object keeping the significant differences only.
val4symb Centres a numerical vector on a parameter position and provides absolute values and colors according to negative and positive values
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
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.
write.cl2grass Convert the output of contourLines into a ascii GRASS vector file (lines).
write.delim Write a data.frame
write.kernel2points Write a text file of X,Y coordinates and Z value from the output of 'kernel2d' (library splancs)
write.pts2grass Convert a matrix of points coordinates (x,y) into an ascii GRASS vector file (lines).