Treatment of Zeros, Left-Censored and Missing Values in Compositional Data Sets


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Documentation for package ‘zCompositions’ version 1.4.0-1

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cmultRepl Bayesian-Multiplicative replacement of count zeros
lcTest Log-contrast homogeneity test
LPdata La Paloma data set
LPdataZM La Paloma data set (incl. zeros and missing data)
lrDA Log-ratio DA algorithm
lrEM Log-ratio EM algorithm
lrEMplus Log-ratio EM algorithm (plus)
lrSVD Log-ratio SVD algorithm
lrSVDplus Log-ratio SVD algorithm (plus)
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
multReplus Multiplicative simple replacement (plus)
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/missing values in a data set
zVarArray Variation array for grouped data
zVarArrayError Variation array relative error
zVarArrayTest Variation array homogeneity test