LocalSB: Local fractality (Sand-Box method) by fixing radial

Description Usage Arguments Value Examples

Description

Calculate the fractal dimension of a dataset by using the Sand-Box method

Usage

1
LocalSB(data, Rad)

Arguments

data

Data of class: matrix or data.frame.

Rad

Vector containning values of the radial.

Value

A data.frame contains: data, columns at each radials. The last presents the Fractal dimension of each points.

Examples

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## Not run: 

#### Uniform variables ####

data <- unidat(n=10000, d=20)
data<-apply(data,MARGIN=2,FUN = function(X) (X - min(X))/diff(range(X)))
rad<-seq(0.1,1,0.01)
A<-LocalSB(data, rad)
A$Results$Fdim


#### IDmining examples #####
library(IDmining)

#### SwissRoll dataset ####

data<-SwissRoll(N=1000)
data<-apply(data,MARGIN=2,FUN = function(X) (X - min(X))/diff(range(X)))
rad<-seq(0.1,1,0.01)
A<-LocalSB(data, rad)
A$Results$Fdim
#### Butterfly dataset ####
data <- Butterfly(1000)[,-9]
data <- apply(data,MARGIN=2,FUN = function(X) (X - min(X))/diff(range(X)))
rad<-seq(0.1,0.31,0.01)
A<-LocalSB(data, rad)
A$Results$Fdim


## End(Not run)

mlaib/FractalTools documentation built on May 17, 2019, 8:16 a.m.