CRAN Package Check Results for Package quantreg

Last updated on 2015-07-29 03:48:35.

Flavor Version Tinstall Tcheck Ttotal Status Flags
r-devel-linux-x86_64-debian-clang 5.11 8.87 79.67 88.54 NOTE
r-devel-linux-x86_64-debian-gcc 5.11 9.22 79.22 88.44 NOTE
r-devel-linux-x86_64-fedora-clang 5.11 162.53 NOTE
r-devel-linux-x86_64-fedora-gcc 5.11 155.55 NOTE
r-devel-osx-x86_64-clang 5.11 110.01 NOTE
r-devel-windows-ix86+x86_64 5.11 41.00 149.00 190.00 NOTE
r-patched-linux-x86_64 5.11 9.00 82.03 91.04 NOTE
r-patched-solaris-sparc 5.11 1083.60 NOTE
r-patched-solaris-x86 5.11 200.40 NOTE
r-release-linux-x86_64 5.11 9.56 78.38 87.94 NOTE
r-release-osx-x86_64-mavericks 5.11 NOTE
r-release-windows-ix86+x86_64 5.11 51.00 157.00 208.00 NOTE
r-oldrel-windows-ix86+x86_64 5.11 57.00 166.00 223.00 NOTE

Check Details

Version: 5.11
Check: dependencies in R code
Result: NOTE
    'library' or 'require' calls in package code:
     ‘Matrix’ ‘MatrixModels’ ‘akima’ ‘logspline’ ‘rgl’ ‘survival’
     ‘tripack’ ‘zoo’
     Please use :: or requireNamespace() instead.
     See section 'Suggested packages' in the 'Writing R Extensions' manual.
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc, r-devel-osx-x86_64-clang, r-devel-windows-ix86+x86_64, r-patched-linux-x86_64, r-patched-solaris-sparc, r-patched-solaris-x86, r-release-linux-x86_64, r-release-osx-x86_64-mavericks, r-release-windows-ix86+x86_64, r-oldrel-windows-ix86+x86_64

Version: 5.11
Check: S3 generic/method consistency
Result: NOTE
    Found the following apparent S3 methods exported but not registered:
     AIC.nlrq AIC.rq AIC.rqs AIC.rqss anova.rq anova.rqlist coef.crq
     coef.nlrq deviance.nlrq end.dynrq extractAIC.nlrq extractAIC.rq
     fitted.nlrq fitted.rqss formula.nlrq formula.rq latex.summary.rqs
     latex.table latex.table.rq logLik.nlrq logLik.rq logLik.rqs
     logLik.rqss plot.qss1 plot.qss2 plot.rq.process plot.rqs plot.rqss
     plot.summary.crqs plot.summary.rqs plot.summary.rqss plot.table.rq
     predict.crq predict.crqs predict.nlrq predict.qss1 predict.qss2
     predict.rq predict.rq.process predict.rqs predict.rqss print.anova.rq
     print.crq print.dynrq print.dynrqs print.nlrq print.rq print.rqs
     print.rqss print.summary.crq print.summary.crqs print.summary.dynrq
     print.summary.dynrqs print.summary.nlrq print.summary.rq
     print.summary.rqs print.summary.rqss residuals.nlrq start.dynrq
     summary.crq summary.crqs summary.dynrqs summary.nlrq summary.rq
     summary.rqs summary.rqss time.dynrq
    See section ‘Registering S3 methods’ in the ‘Writing R Extensions’
    manual.
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc, r-devel-osx-x86_64-clang, r-patched-linux-x86_64, r-patched-solaris-sparc, r-patched-solaris-x86, r-release-linux-x86_64

Version: 5.11
Check: R code for possible problems
Result: NOTE
    AIC.nlrq: no visible global function definition for ‘logLik’
    AIC.nlrq: no visible global function definition for ‘AIC’
    AIC.rq: no visible global function definition for ‘logLik’
    AIC.rq: no visible global function definition for ‘AIC’
    AIC.rqs: no visible global function definition for ‘logLik’
    AIC.rqs: no visible global function definition for ‘AIC’
    AIC.rqss: no visible global function definition for ‘logLik’
    AIC.rqss: no visible global function definition for ‘AIC’
    QTECox: no visible global function definition for ‘survfit’
    QTECox: no visible global function definition for ‘supsmu’
    QTECox: no visible global function definition for ‘coef’
    anova.rqlist : <anonymous>: no visible global function definition for
     ‘formula’
    anova.rqlist: no visible global function definition for ‘model.frame’
    anova.rqlist: no visible global function definition for ‘model.weights’
    anova.rqlist: no visible global function definition for ‘pf’
    bandwidth.rq: no visible global function definition for ‘qnorm’
    bandwidth.rq: no visible global function definition for ‘dnorm’
    boot.crq: no visible global function definition for ‘rexp’
    boot.crq: no visible global function definition for ‘coef’
    boot.rq: no visible global function definition for ‘rexp’
    boot.rq: no visible global function definition for ‘runif’
    boot.rq: no visible global function definition for ‘hat’
    boot.rq: no visible global function definition for ‘fitted’
    critval : tube: no visible global function definition for ‘pnorm’
    critval : tube: no visible global function definition for ‘pt’
    critval: no visible global function definition for ‘uniroot’
    crq: no visible global function definition for ‘model.weights’
    crq: no visible global function definition for ‘model.extract’
    crq.fit.por: no visible global function definition for ‘median’
    dither: no visible global function definition for ‘runif’
    dynrq : <anonymous> : <anonymous>: no visible global function
     definition for ‘lag’
    dynrq : <anonymous>: no visible global function definition for ‘lag’
    dynrq : <anonymous>: no visible global function definition for
     ‘frequency’
    dynrq : <anonymous>: no visible global function definition for
     ‘coredata’
    dynrq : <anonymous>: no visible global function definition for ‘cycle’
    dynrq : <anonymous>: no visible global function definition for
     ‘relevel’
    dynrq : <anonymous>: no visible global function definition for ‘zoo’
    dynrq : <anonymous>: no visible global function definition for ‘index’
    dynrq : <anonymous>: no visible binding for global variable ‘na.omit’
    dynrq : <anonymous>: no visible global function definition for ‘terms’
    dynrq : <anonymous>: no visible binding for global variable ‘merge.zoo’
    dynrq: no visible global function definition for ‘terms’
    dynrq: no visible global function definition for ‘index’
    dynrq: no visible global function definition for ‘coredata’
    dynrq: no visible global function definition for ‘frequency’
    dynrq: no visible global function definition for ‘head’
    dynrq: no visible global function definition for ‘is.regular’
    dynrq: no visible global function definition for ‘as.ts’
    dynrq: no visible global function definition for ‘index2char’
    dynrq: no visible global function definition for ‘model.weights’
    dynrq: no visible global function definition for ‘is.empty.model’
    dynrq: no visible global function definition for ‘.getXlevels’
    end.dynrq: no visible global function definition for ‘end’
    extractAIC.nlrq: no visible global function definition for ‘AIC’
    extractAIC.rq: no visible global function definition for ‘AIC’
    formula.rq: no visible global function definition for ‘formula’
    latex.summary.rqs: no visible binding for global variable
     ‘coefficients’
    logLik.rq: no visible global function definition for ‘hasArg’
    logLik.rqs: no visible global function definition for ‘hasArg’
    lprq: no visible global function definition for ‘dnorm’
    nlrq: no visible global function definition for ‘as.formula’
    nlrq: no visible global function definition for ‘getInitial’
    nlrq : nlrq.calc : meketon: no visible global function definition for
     ‘lsfit’
    nlrq : nlrq.calc: no visible global function definition for ‘optim’
    nlrq : nlrq.calc: no visible global function definition for
     ‘flush.console’
    nlrqModel : getRHS.noVarying: no visible global function definition for
     ‘numericDeriv’
    nlrqModel : getPars.noVarying: no visible global function definition
     for ‘setNames’
    nlrqModel : getPars.varying: no visible global function definition for
     ‘setNames’
    plot.qss1: no visible global function definition for ‘plot’
    plot.qss1: no visible global function definition for ‘lines’
    plot.qss2: no visible global function definition for ‘tri.mesh’
    plot.qss2: no visible global function definition for ‘terrain.colors’
    plot.qss2: no visible global function definition for ‘triangles’
    plot.qss2: no visible global function definition for ‘rgl.triangles’
    plot.qss2: no visible global function definition for ‘plot’
    plot.qss2: no visible global function definition for ‘contour’
    plot.qss2: no visible global function definition for ‘interp’
    plot.qss2: no visible global function definition for ‘convex.hull’
    plot.qss2: no visible global function definition for ‘persp’
    plot.rq.process: no visible global function definition for ‘par’
    plot.rq.process: no visible global function definition for ‘plot’
    plot.rqs: no visible global function definition for ‘coef’
    plot.rqs: no visible global function definition for ‘terms’
    plot.rqs: no visible global function definition for ‘model.frame’
    plot.rqs: no visible global function definition for ‘lm.fit’
    plot.rqs: no visible global function definition for ‘par’
    plot.rqs: no visible global function definition for ‘n2mfrow’
    plot.rqs: no visible global function definition for ‘plot’
    plot.rqs: no visible global function definition for ‘abline’
    plot.rqs: no visible global function definition for ‘gray’
    plot.rqss : SetLayout: no visible global function definition for ‘par’
    plot.rqss: no visible global function definition for ‘par’
    plot.rqss: no visible global function definition for ‘dev.interactive’
    plot.rqss: no visible global function definition for ‘devAskNewPage’
    plot.rqss : summary.qss1: no visible global function definition for
     ‘predict’
    plot.rqss : summary.qss1: no visible global function definition for
     ‘qt’
    plot.rqss: no visible global function definition for ‘polygon’
    plot.rqss: no visible global function definition for ‘matlines’
    plot.rqss: no visible global function definition for ‘matplot’
    plot.rqss: no visible global function definition for ‘lines’
    plot.rqss: no visible global function definition for ‘title’
    plot.summary.crqs: no visible binding for global variable
     ‘coefficients’
    plot.summary.crqs: no visible global function definition for ‘par’
    plot.summary.crqs: no visible global function definition for ‘plot’
    plot.summary.crqs: no visible global function definition for ‘title’
    plot.summary.crqs: no visible global function definition for ‘polygon’
    plot.summary.crqs: no visible global function definition for ‘points’
    plot.summary.crqs: no visible global function definition for ‘lines’
    plot.summary.crqs: no visible global function definition for ‘abline’
    plot.summary.rqs: no visible global function definition for ‘gray’
    plot.summary.rqs: no visible global function definition for ‘qnorm’
    plot.summary.rqs: no visible binding for global variable ‘coef’
    plot.summary.rqs: no visible global function definition for ‘terms’
    plot.summary.rqs: no visible global function definition for
     ‘model.frame’
    plot.summary.rqs: no visible global function definition for ‘lm’
    plot.summary.rqs: no visible global function definition for ‘coef’
    plot.summary.rqs: no visible global function definition for ‘par’
    plot.summary.rqs: no visible global function definition for ‘n2mfrow’
    plot.summary.rqs: no visible global function definition for ‘plot’
    plot.summary.rqs: no visible global function definition for ‘polygon’
    plot.summary.rqs: no visible global function definition for ‘points’
    plot.summary.rqs: no visible global function definition for ‘abline’
    predict.nlrq: no visible global function definition for ‘fitted’
    predict.qss1: no visible global function definition for ‘new’
    predict.qss2: no visible global function definition for ‘tri.mesh’
    predict.qss2: no visible global function definition for
     ‘in.convex.hull’
    predict.qss2: no visible global function definition for ‘tri.find’
    predict.qss2: no visible global function definition for ‘new’
    predict.rq: no visible binding for global variable ‘na.pass’
    predict.rq: no visible global function definition for ‘terms’
    predict.rq: no visible global function definition for ‘delete.response’
    predict.rq: no visible global function definition for ‘model.frame’
    predict.rq: no visible global function definition for ‘.checkMFClasses’
    predict.rq : <anonymous>: no visible global function definition for
     ‘quantile’
    predict.rq: no visible global function definition for ‘qt’
    predict.rq.process: no visible binding for global variable ‘na.pass’
    predict.rq.process: no visible global function definition for ‘terms’
    predict.rq.process: no visible global function definition for
     ‘delete.response’
    predict.rq.process: no visible global function definition for
     ‘model.frame’
    predict.rq.process: no visible global function definition for
     ‘.checkMFClasses’
    predict.rqs: no visible binding for global variable ‘na.pass’
    predict.rqs: no visible global function definition for
     ‘delete.response’
    predict.rqs: no visible global function definition for ‘terms’
    predict.rqs: no visible global function definition for ‘model.frame’
    predict.rqs: no visible global function definition for
     ‘.checkMFClasses’
    predict.rqss: no visible global function definition for
     ‘delete.response’
    predict.rqss: no visible global function definition for ‘terms’
    predict.rqss: no visible global function definition for ‘reformulate’
    predict.rqss: no visible global function definition for ‘model.frame’
    predict.rqss: no visible global function definition for ‘as’
    predict.rqss: no visible global function definition for ‘model.Matrix’
    predict.rqss: no visible global function definition for ‘predict’
    predict.rqss: no visible global function definition for ‘qnorm’
    print.dynrq: no visible global function definition for ‘residuals’
    print.dynrq: no visible global function definition for ‘index2char’
    print.dynrq: no visible global function definition for ‘index’
    print.dynrqs: no visible global function definition for ‘residuals’
    print.dynrqs: no visible global function definition for ‘index2char’
    print.nlrq: no visible global function definition for ‘formula’
    print.rq: no visible global function definition for ‘residuals’
    print.rqs: no visible global function definition for ‘residuals’
    print.summary.dynrq: no visible global function definition for
     ‘residuals’
    print.summary.dynrq: no visible global function definition for
     ‘coredata’
    print.summary.dynrq: no visible global function definition for
     ‘index2char’
    print.summary.dynrq: no visible global function definition for ‘index’
    print.summary.rqss: no visible global function definition for
     ‘printCoefmat’
    qdensity: no visible global function definition for ‘approx’
    qrisk: no visible global function definition for ‘quantile’
    qss1: no visible global function definition for ‘new’
    qss1 : makeD: no visible global function definition for ‘new’
    ranks: no visible global function definition for ‘dnorm’
    ranks: no visible global function definition for ‘qnorm’
    rearrange: no visible global function definition for ‘is.stepfun’
    rearrange: no visible global function definition for ‘knots’
    rearrange: no visible global function definition for ‘stepfun’
    rq: no visible global function definition for ‘model.weights’
    rq: no visible global function definition for ‘.getXlevels’
    rq.fit.br: no visible global function definition for ‘qt’
    rq.fit.br: no visible global function definition for ‘qnorm’
    rq.fit.br: no visible global function definition for ‘lm’
    rq.fit.br: no visible global function definition for ‘pt’
    rq.fit.br: no visible global function definition for ‘pnorm’
    rq.fit.pfn: no visible global function definition for ‘quantile’
    rq.test.anowar: no visible global function definition for ‘hasArg’
    rq.test.anowar: no visible global function definition for ‘rexp’
    rq.test.anowar: no visible global function definition for ‘logspline’
    rq.test.anowar: no visible global function definition for ‘plogspline’
    rq.test.rank: no visible global function definition for ‘coefficients’
    rq.test.rank: no visible global function definition for ‘resid’
    rq.test.rank: no visible global function definition for ‘lm.wfit’
    rq.test.rank: no visible global function definition for ‘pf’
    rq.test.rank: no visible global function definition for ‘pchisq’
    rqProcess: no visible global function definition for ‘lm’
    rqss: no visible global function definition for ‘terms’
    rqss: no visible global function definition for ‘delete.response’
    rqss: no visible global function definition for ‘model.extract’
    rqss: no visible global function definition for ‘model.Matrix’
    rqss: no visible global function definition for ‘as’
    srisk: no visible global function definition for ‘lm’
    srisk: no visible global function definition for ‘var’
    start.dynrq: no visible global function definition for ‘start’
    summary.crq: no visible global function definition for ‘terms’
    summary.crq: no visible global function definition for ‘model.frame’
    summary.crq: no visible global function definition for ‘model.weights’
    summary.crq: no visible global function definition for ‘coefficients’
    summary.crq: no visible global function definition for ‘pt’
    summary.crq: no visible global function definition for ‘qnorm’
    summary.crq: no visible binding for global variable ‘quantile’
    summary.crq: no visible global function definition for ‘pnorm’
    summary.nlrq: no visible global function definition for ‘pt’
    summary.rq: no visible global function definition for ‘terms’
    summary.rq: no visible global function definition for ‘model.frame’
    summary.rq: no visible global function definition for ‘model.weights’
    summary.rq: no visible global function definition for ‘coefficients’
    summary.rq: no visible global function definition for ‘qnorm’
    summary.rq: no visible global function definition for ‘var’
    summary.rq: no visible global function definition for ‘quantile’
    summary.rq: no visible global function definition for ‘dnorm’
    summary.rq: no visible global function definition for ‘pt’
    summary.rqss: no visible global function definition for ‘qnorm’
    summary.rqss: no visible global function definition for ‘var’
    summary.rqss: no visible global function definition for ‘quantile’
    summary.rqss: no visible global function definition for ‘dnorm’
    summary.rqss: no visible global function definition for ‘pt’
    summary.rqss: no visible global function definition for ‘pf’
    triogram.fidelity: no visible global function definition for ‘new’
    triogram.fidelity: no visible global function definition for ‘as’
    triogram.fidelity: no visible global function definition for ‘runif’
    triogram.fidelity: no visible global function definition for ‘tri.mesh’
    triogram.fidelity: no visible global function definition for
     ‘in.convex.hull’
    triogram.penalty: no visible global function definition for ‘tri.mesh’
    triogram.penalty: no visible global function definition for
     ‘on.convex.hull’
    triogram.penalty: no visible global function definition for ‘new’
    Undefined global functions or variables:
     .checkMFClasses .getXlevels AIC abline approx as as.formula as.ts
     coef coefficients contour convex.hull coredata cycle delete.response
     dev.interactive devAskNewPage dnorm end fitted flush.console formula
     frequency getInitial gray hasArg hat head in.convex.hull index
     index2char interp is.empty.model is.regular is.stepfun knots lag
     lines lm lm.fit lm.wfit logLik logspline lsfit matlines matplot
     median merge.zoo model.Matrix model.extract model.frame model.weights
     n2mfrow na.omit na.pass new numericDeriv on.convex.hull optim par
     pchisq persp pf plogspline plot pnorm points polygon predict
     printCoefmat pt qnorm qt quantile reformulate relevel resid residuals
     rexp rgl.triangles runif setNames start stepfun supsmu survfit terms
     terrain.colors title tri.find tri.mesh triangles uniroot var zoo
    Consider adding
     importFrom("grDevices", "dev.interactive", "devAskNewPage", "gray",
     "n2mfrow", "terrain.colors")
     importFrom("graphics", "abline", "contour", "lines", "matlines",
     "matplot", "par", "persp", "plot", "points", "polygon",
     "title")
     importFrom("methods", "as", "hasArg", "new")
     importFrom("stats", ".checkMFClasses", ".getXlevels", "AIC", "approx",
     "as.formula", "as.ts", "coef", "coefficients", "cycle",
     "delete.response", "dnorm", "end", "fitted", "formula",
     "frequency", "getInitial", "hat", "is.empty.model",
     "is.stepfun", "knots", "lag", "lm", "lm.fit", "lm.wfit",
     "logLik", "lsfit", "median", "model.extract", "model.frame",
     "model.weights", "na.omit", "na.pass", "numericDeriv",
     "optim", "pchisq", "pf", "pnorm", "predict", "printCoefmat",
     "pt", "qnorm", "qt", "quantile", "reformulate", "relevel",
     "resid", "residuals", "rexp", "runif", "setNames", "start",
     "stepfun", "supsmu", "terms", "uniroot", "var")
     importFrom("utils", "flush.console", "head")
    to your NAMESPACE.
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc, r-devel-windows-ix86+x86_64

Version: 5.11
Check: R code for possible problems
Result: NOTE
    QTECox: no visible global function definition for ‘survfit’
    dynrq : <anonymous>: no visible global function definition for
     ‘coredata’
    dynrq : <anonymous>: no visible global function definition for ‘zoo’
    dynrq : <anonymous>: no visible global function definition for ‘index’
    dynrq : <anonymous>: no visible binding for global variable ‘merge.zoo’
    dynrq: no visible global function definition for ‘index’
    dynrq: no visible global function definition for ‘coredata’
    dynrq: no visible global function definition for ‘is.regular’
    dynrq: no visible global function definition for ‘index2char’
    plot.qss2: no visible global function definition for ‘tri.mesh’
    plot.qss2: no visible global function definition for ‘triangles’
    plot.qss2: no visible global function definition for ‘rgl.triangles’
    plot.qss2: no visible global function definition for ‘interp’
    plot.qss2: no visible global function definition for ‘convex.hull’
    predict.qss2: no visible global function definition for ‘tri.mesh’
    predict.qss2: no visible global function definition for
     ‘in.convex.hull’
    predict.qss2: no visible global function definition for ‘tri.find’
    predict.rqss: no visible global function definition for ‘model.Matrix’
    print.dynrq: no visible global function definition for ‘index2char’
    print.dynrq: no visible global function definition for ‘index’
    print.dynrqs: no visible global function definition for ‘index2char’
    print.summary.dynrq: no visible global function definition for
     ‘coredata’
    print.summary.dynrq: no visible global function definition for
     ‘index2char’
    print.summary.dynrq: no visible global function definition for ‘index’
    rq.test.anowar: no visible global function definition for ‘logspline’
    rq.test.anowar: no visible global function definition for ‘plogspline’
    rqss: no visible global function definition for ‘model.Matrix’
    triogram.fidelity: no visible global function definition for ‘tri.mesh’
    triogram.fidelity: no visible global function definition for
     ‘in.convex.hull’
    triogram.penalty: no visible global function definition for ‘tri.mesh’
    triogram.penalty: no visible global function definition for
     ‘on.convex.hull’
    Undefined global functions or variables:
     convex.hull coredata in.convex.hull index index2char interp
     is.regular logspline merge.zoo model.Matrix on.convex.hull plogspline
     rgl.triangles survfit tri.find tri.mesh triangles zoo
Flavor: r-devel-osx-x86_64-clang

Version: 5.11
Check: R code for possible problems
Result: NOTE
    QTECox: no visible global function definition for ‘survfit’
    dynrq : <anonymous>: no visible global function definition for
     ‘coredata’
    dynrq : <anonymous>: no visible global function definition for ‘zoo’
    dynrq : <anonymous>: no visible global function definition for ‘index’
    dynrq : <anonymous>: no visible binding for global variable ‘merge.zoo’
    dynrq: no visible global function definition for ‘index’
    dynrq: no visible global function definition for ‘coredata’
    dynrq: no visible global function definition for ‘is.regular’
    dynrq: no visible global function definition for ‘index2char’
    plot.qss2: no visible global function definition for ‘tri.mesh’
    plot.qss2: no visible global function definition for ‘triangles’
    plot.qss2: no visible global function definition for ‘rgl.triangles’
    plot.qss2: no visible global function definition for ‘interp’
    plot.qss2: no visible global function definition for ‘convex.hull’
    predict.qss2: no visible global function definition for ‘tri.mesh’
    predict.qss2: no visible global function definition for
     ‘in.convex.hull’
    predict.qss2: no visible global function definition for ‘tri.find’
    predict.rqss: no visible global function definition for ‘model.Matrix’
    print.dynrq: no visible global function definition for ‘index2char’
    print.dynrq: no visible global function definition for ‘index’
    print.dynrqs: no visible global function definition for ‘index2char’
    print.summary.dynrq: no visible global function definition for
     ‘coredata’
    print.summary.dynrq: no visible global function definition for
     ‘index2char’
    print.summary.dynrq: no visible global function definition for ‘index’
    rq.test.anowar: no visible global function definition for ‘logspline’
    rq.test.anowar: no visible global function definition for ‘plogspline’
    rqss: no visible global function definition for ‘model.Matrix’
    triogram.fidelity: no visible global function definition for ‘tri.mesh’
    triogram.fidelity: no visible global function definition for
     ‘in.convex.hull’
    triogram.penalty: no visible global function definition for ‘tri.mesh’
    triogram.penalty: no visible global function definition for
     ‘on.convex.hull’
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