gm_1: Improved grey forecasting model with optimal background...

Description Usage Arguments References Examples

View source: R/gm_1.R

Description

weighted background gm model and solved by auxillary parameters

Usage

1
gm_1(y, ntest = NULL, term = 1, buff = NULL, alpha = NA)

Arguments

buff

buffer operator used for original data.

alpha

coefficient in buffer operator if used.

x

data sequence.

present

character vector containing xlab and ylab.

References

XU Ning, DANG Yao-guo, DING Song. Optimization method of background value in GM(1,1) model based on least error[J]. Control and Decision, 2015,30(12).

Examples

1
g<-gm_1(y,term=3)

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