turnpoints: Find turning points (peaks or pits) Determine the number and...
In tpetzoldt/antibioticR: Analysis of Antibiotic Resistance Data
Description
Usage
Arguments
Value
Author(s)
References
Description
Find turning points (peaks or pits)
Determine the number and the position of extrema (turning points, either peaks or pits) in a regular time series.
Usage
1
turnpoints(x)
Arguments
x
vector or a time series
Value
An object of type 'abrTurnpoints' is returned, with:
data
The dataset to which the calculation is done
n
The number of observations
points
The value of the points in the series, after elimination of ex-aequos
pos
The position of the points on the time scale in the series (including ex-aequos)
exaequos
Location of exaequos (1), or not (0)
nturns
Total number of tunring points in the whole time series
firstispeak
Is the first turning point a peak (TRUE), or not (FALSE)
peaks
Logical vector. Location of the peaks in the time series without ex-aequos
pits
Logical vector. Location of the pits in the time series without ex-aequos
tppos
Position of the turning points in the initial series (with ex-aequos)
Author(s)
This is a stripped-down version taken from package pastecs,
original authors are Frédéric Ibanez, Philippe Grosjean.
The original code and the derived version are licensed under the GPL (>=2).
References
Ibanez, F. (1982) Sur une nouvelle application de la theorie de
l'information a la description des series chronologiques planctoniques.
J. Exp. Mar. Biol. Ecol., 4:619-632
Grosjean, P. and Ibanez, F. (2014) pastecs: Package for Analysis
of Space-Time Ecological Series. R package version 1.3-18.
https://CRAN.R-project.org/package=pastecs
tpetzoldt/antibioticR documentation built on Sept. 25, 2021, 1:17 p.m.
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Description Usage Arguments Value Author(s) References
Description
Find turning points (peaks or pits) Determine the number and the position of extrema (turning points, either peaks or pits) in a regular time series.
Usage
1 | turnpoints(x)
|
Arguments
x |
vector or a time series |
Value
An object of type 'abrTurnpoints' is returned, with:
data |
The dataset to which the calculation is done |
n |
The number of observations |
points |
The value of the points in the series, after elimination of ex-aequos |
pos |
The position of the points on the time scale in the series (including ex-aequos) |
exaequos |
Location of exaequos (1), or not (0) |
nturns |
Total number of tunring points in the whole time series |
firstispeak |
Is the first turning point a peak ( |
peaks |
Logical vector. Location of the peaks in the time series without ex-aequos |
pits |
Logical vector. Location of the pits in the time series without ex-aequos |
tppos |
Position of the turning points in the initial series (with ex-aequos) |
Author(s)
This is a stripped-down version taken from package pastecs, original authors are Frédéric Ibanez, Philippe Grosjean. The original code and the derived version are licensed under the GPL (>=2).
References
Ibanez, F. (1982) Sur une nouvelle application de la theorie de l'information a la description des series chronologiques planctoniques. J. Exp. Mar. Biol. Ecol., 4:619-632
Grosjean, P. and Ibanez, F. (2014) pastecs: Package for Analysis of Space-Time Ecological Series. R package version 1.3-18. https://CRAN.R-project.org/package=pastecs
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