Uses indicator species scores across binary partitions of a sample set to detect congruence in taxon-specific changes of abundance and occurrence frequency along an environmental gradient as evidence of an ecological community threshold. Relevant references include: Baker, ME and RS King. 2010. A new method for detecting and interpreting biodiversity and ecological community thresholds. Methods in Ecology and Evolution 1(1): 25:37. King, RS and ME Baker. 2010. Considerations for identifying and interpreting ecological community thresholds. Journal of the North American Benthological Association 29(3):998-1008. Baker ME and RS King. 2013. Of TITAN and straw men: an appeal for greater understanding of community data. Freshwater Science 32(2):489-506.
|Author||Matthew E. Baker [aut, cph], Ryan S. King [aut, cph], David Kahle [aut, cph, cre]|
|Date of publication||2015-12-19 18:49:09|
|Maintainer||David Kahle <firstname.lastname@example.org>|
boot.titan: Controls the allocation of bootstrap replicates
env.part: Partitions environmental gradient for analysis
getivz: Performs calculation of IndVal z scores from observed and...
glades.env: glades.env title
glades.taxa: glades.taxa title
glades.titan: glades.titan title
indval: IndVal scores based on relative abundance across, and...
indvalp: Calculate permuted IndVal scores using a group matrix
ivzsums: Sum IndVal z scores across taxa
obs.summ: Summarizes results from TITAN's analaysis of observed data
permiv: Permutation of group membership for a single candidate...
plotCPs: Plots probability densities of empirical distributions of...
plotSumz: Plots the pattern of community change along an environmental...
plotTaxa: Plots taxon-specific change points
smallBigBoot: Summarizes raw output from TITAN's bootstrap procedure
sumz.tab: Summarizes the results of the community-level sum(z) analysis
tboot: Calculate bootstrapped IndVal z scores
titan: The primary function call for package TITAN
TITAN2: Threshold Indicator Taxa Analysis
txa.screen: Screening of site by taxa matrix