local.min.max

From spatialEco v1.3-2 by Jeffrey S Evans

Local minimum and maximum

Calculates the local minimums and maximums in a numeric vector, indicating inflection points in the distribution.

Usage

local.min.max(x, dev = mean, plot = TRUE, add.points = FALSE, ...)

Arguments

x: A numeric vector
dev: Deviation statistic (mean or median)
plot: plot the minimum and maximum values with the distribution (TRUE/FALSE)
add.points: Should all points of x be added to plot (TRUE/FALSE)
...: Arguments passed to plot

Value

A list object with:

minima - minimum local values of x
maxima - maximum local values of x
mindev - Absolute deviation of minimum from specified deviation statistic (dev argument)
maxdev - Absolute deviation of maximum from specified deviation statistic (dev argument)

Note

Useful function for identifying inflection or enveloping points in a distribution

Examples

# NOT RUN {
                                                 
x <- rnorm(100,mean=1500,sd=800) 
( lmm <- local.min.max(x, dev=mean, add.points=TRUE, 
                       main="Local Minima and Maxima") )

# return only local minimum values
   local.min.max(x)$minima 
                                           
# }

Documentation reproduced from package spatialEco, version 1.3-2, License: GPL-3

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