Data Analysis in Ecology


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Documentation for package ‘pgirmess’ version 1.6.4

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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
date2winter Convert a POSIXt date into categories corresponding to a autumn/winter/spring sequence
diag2edge Computes the edge of a square from its diagonal
difshannonbio Empirical confidence interval of the bootstrap of the difference between two Shannon indices
dirProj Computes new coordinates given bearings and distances.
dirSeg Computes segment directions.
distNNeigh Computes distances to the nearest neighbour
distNode Computes the distances between each nodes of a polyline.
distSeg Computes distances between the top coordinates of segments.
distTot Computes the total length of a polyline.
expandpoly Homothetia (size expansion) of a polygon
friedmanmc Multiple comparisons after Friedman test
gps2gpx Download waypoints or tracks from a GPS to a gpx file
kruskalmc Multiple comparison test after Kruskal-Wallis
kruskalmc.default Multiple comparison test after Kruskal-Wallis
kruskalmc.formula Multiple comparison test after Kruskal-Wallis
ks.gof Kolmogorof-Smirnov goodness of fit test to normal distribution
mergeTrackObs Merge two SpatialPoints or SpatialPointsDataFrame objects, one modelling a track, the other observations
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 or data.frame 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
PermTest.glm Permutation test for lm, lme and glm (binomial and Poisson) objects
PermTest.lm Permutation test for lm, lme and glm (binomial and Poisson) objects
PermTest.lme 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
polycirc Computes the polygon coordinates of a circle
polycirc2 Computes the polygon coordinates of a circle sector
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
QGIS2sp Changes a copied-to-clipboard QGIS attribute table into a sp Spatial object or a data.frame
readGDALbbox Read a raster using rgdal within a user specified bounding box
readVista Download waypoints and tracks from a GPS
rmls Select objects in the parent frame and remove them.
rwhatbufCat Analyses the contents of a SpatialPixelsDataFrame or a SpatialGridDataFrame of categorical values within various buffer sizes centred on points
rwhatbufCat2 Analyses the contents of a raster file readable with rgdal of categorical values within various buffer sizes centred on points
rwhatbufNum Analyses the contents of a SpatialPixelsDataFrame or a SpatialGridDataFrame of numerical values within various buffer sizes centred on points
Segments Draw line segments between pairs of points.
selMod Model selection according to information theoretic methods
selMod.glm Model selection according to information theoretic methods
selMod.list Model selection according to information theoretic methods
selMod.lm Model selection according to information theoretic methods
shannon Computes Shannon's and equitability indices
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
thintrack Thin a track just keeping the points separated by a user defined minimal distance
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.
transLines2pix Convert a SpatialLines or a SpatialLinesDataFrame object into SptaialPointsDataFrame with points at regular distance along the lines
TukeyHSDs Simplify the list of a TukeyHSD object keeping the significant differences only.
uploadGPS Upload waypoints to Garmin GPS
val4symb Centres a numerical vector on a parameter position and provides absolute values and colors according to negative and positive values
valchisq Values of the partial chi-square in each cell of a contingency table
write.delim Write a data.frame
writeGPX Convert a data frame into a GPX file of waypoints or track
writePRJ Write the projection file of a shapefile from a spatial object