Description Usage Arguments Value Note Author(s) See Also Examples
This function makes an inverse Gaussianization procedure besad on PCA iteration ( see inv_GPCA_iteration
1 |
x |
gaussian random variable to transform |
GPCA_param |
|
type |
see |
extremes |
see |
the non-Gaussian random variable
This function re-iterates the inverse of equation (1) of "PCA Gaussianization for One-Class Remote Sensing Image" by V. Laparra et al., http://ieeexplore.ieee.org/document/5413808/
Emanuele Cordano
GPCA
,GPCA_iteration
,inv_GPCA_iteration
,inv_GPCA
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | library(RMAWGEN)
set.seed(1222)
nIterations <- 30
N <- 20
x <- rexp(N)
y <- x+rnorm(N)
df <- data.frame(x=x,y=y)
GPCA <- GPCA(df,n=nIterations,extremes=TRUE)
x <- rnorm(N)
y <- x+rnorm(N)
dfn <- data.frame(x=x,y=y)
GPCAn <- GPCA(dfn,n=nIterations,extremes=TRUE)
df_out <- inv_GPCA(GPCA_param=GPCA,extremes=TRUE)
dfn_out <- inv_GPCA(GPCA_param=GPCAn,extremes=TRUE)
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