gm: classic grey forecasting model, GM(1,1)

Description Usage Arguments Examples

View source: R/gm.R

Description

model sequential data with GM(1,1) model

Usage

1
gm(y, ntest = NULL, term = 1, bg = background, buff = NULL, alpha = NA, ...)

Arguments

term

length of extropotation data, forecasting data.

bg

background formula.

buff

buffer operator used for original data.

alpha

coefficient of buffer operator if used.

x

data sequence.

Examples

1
g<-gm(y)

exoplanetX/greyforecasting documentation built on Jan. 17, 2022, 6:46 a.m.