Treatment of Zeros and Nondetects in Compositional Data Sets


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Documentation for package ‘zCompositions’ version 1.1.1

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cmultRepl Bayesian-Multiplicative replacement of count zeros
lcTest Log-contrast homogeneity test
LPdata La Paloma data set
lrDA Log-ratio DA algorithm
lrEM Log-ratio EM algorithm
mdl Water data set: matrix of limits of detection
multKM Multiplicative Kaplan-Meier smoothing spline (KMSS) replacement
multLN Multiplicative lognormal replacement
multRepl Multiplicative simple replacement
Pigs Pigs data set
splineKM Display Kaplan-Meier empirical cumulative distribution function and smoothing spline curve fit
Water Water data set
zCompositions Treatment of zeros and nondetects in compositional data sets
zPatterns Find and display patterns of zeros or unobserved values in a data set
zVarArray Variation array for grouped data
zVarArrayError Variation array relative error
zVarArrayTest Variation array homogeneity test