Quantitative Fatty Acid Signature Analysis

AIT.dist | Returns the distance between two compositional vectors using... |

AIT.more | Used to provide additional information on various model... |

AIT.obj | Used in 'solnp()' as the objective function to be minimized... |

beta.meths.CI | Returns individual confidence intervals and simultaneous... |

beta.pval.k | Calculate p-value of a given prey type diet proportion under... |

bias.all | Calculate bias correction for confidence intervals from... |

bisect.beta.lim | Find simultaneous and individual confidence intervals for... |

CC | Fatty acid calibration coefficients. |

chisq.CA | Called by 'create.d.mat()' to compute the chi-square... |

chisq.dist | Returns the distance between two compositional vectors using... |

create.d.mat | Called by 'testfordiff.ind.boot.fun()' to create a matrix of... |

CS.more | Used to provide additional information on various model... |

CS.obj | Used in 'solnp()' as the objective function to be minimized... |

data.sim.beta | Bootstrap ran.gen function: |

FAset | List of fatty acids used in sample prey and predator data... |

gen.pseudo.seals | Generate pseudo predators with ith predator having true diet... |

KL.dist | Returns the distance between two compositional vectors using... |

KL.more | Used to provide additional information on various model... |

KL.obj | Used in 'solnp()' as the objective function to be minimized... |

mean.geometric | Returns the geometric mean of a compositional vector |

MEANmeth | Returns the multivariate mean FA signature of each prey group... |

p.beta | Bootstrap statistic function: in this case it is the mean... |

p.QFASA | Computes the diet estimate for each predator in seal.mat... |

predatorFAs | Predator fatty acid signatures. Each predator signature is a... |

prey.cluster | This function performs a hierarchical cluster analysis of... |

preyFAs | Prey fatty acid signatures. Each prey signature is a row with... |

prey.on.prey | Each prey fatty acid signature is systematically removed from... |

pseudo.pred | Generate a pseudo predator by sampling with replacement from... |

pseudo.seal | Generate a single pseudo predator FA signature |

QFASA | QFASA: A package for Quantitative Fatty Acid Signature... |

QFASA.const.eqn | Returns 'sum(alpha)' and used in 'solnp()'. |

split.prey | Splits prey database into a simulation set (1/3) and a... |

testfordiff.ind.boot | Called by 'testfordiff.ind.pval()'. |

testfordiff.ind.boot.fun | Called by 'testfordiff.ind.boot()'. |

testfordiff.ind.pval | Test for a difference between two independent samples of... |

Tstar.beta | Generate bootstrap replicates of diet proportion estimates... |

uniroot.beta | Use uniroot() to find roots and compare with bisection... |

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