weibull6
(Package: cardidates) :
Six-Parametric Weibull Function
Six-parametric Weibull function and its definite integral.
● Data Source:
CranContrib
● Keywords: arith, math
● Alias: aweibull6, fweibull6, weibull6
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peakwindow
(Package: cardidates) :
Identify Peaks in Time Series
This function identifies peaks in time series and helps to identify the time window of the first maximum according to given rules.
● Data Source:
CranContrib
● Keywords: misc
● Alias: peakwindow
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plot.cardiFit
(Package: cardidates) :
Plot Method for cardiFit Objects
This function is a top-level function to visualize cardinal date objects fitted with fitweibull4 and fitweibull6.
● Data Source:
CranContrib
● Keywords: hplot, methods
● Alias: plot.cardiFit
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This function is intended to visualize peaks identified by the peakwindow function.
● Data Source:
CranContrib
● Keywords: hplot, methods
● Alias: plot.cardiPeakwindow
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CDW
(Package: cardidates) :
Cardinal Dates Using Fitted Weibull Curves
CDW (cardinal dates using Weibull curves) extracts “cardinal dates” from fitted four- and six-parametric Weibull curves.
● Data Source:
CranContrib
● Keywords: misc
● Alias: CDW, CDWa
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aweibull7
(Package: cardidates) :
Six-Parametric Weibull Function with Additive Shift
A special version of the six-parametric Weibull function which has a 7th parameter for additive vertical shifting. It is intended mainly for internal use.
● Data Source:
CranContrib
● Keywords: internal, math
● Alias: aweibull7, fweibull7
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weibull4
(Package: cardidates) :
Four-Parametric Weibull Function
Four-parametric Weibull function and its definite integral.
● Data Source:
CranContrib
● Keywords: arith, math
● Alias: aweibull4, fweibull4, weibull4
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This is a helper function that can be used to replace or add manually fitted cardidates objects to a set of cardidates objects fitted by metaCDW.
● Data Source:
CranContrib
● Keywords: misc
● Alias: merge.cardiMetacdw
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metaCDW
(Package: cardidates) :
Extract Cardinal Dates of Multiple Time Series at Once Using Fitted Weibull Curves
metaCDW determines the relevant peak of several time series and fits four- resp. six-parametric Weibull curves to these peaks of all series at once and extracts “cardinal dates” from the fitted curves.
● Data Source:
CranContrib
● Keywords: misc, optimize
● Alias: metaCDW, summary.cardiMetacdw
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The package aims to identify “cardinal dates” (begin, time of maximum, end of mass developments) in ecological time series using fitted Weibull-type functions.
● Data Source:
CranContrib
● Keywords: package
● Alias: cardidates, cardidates-package
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