Research Article

A Fuzzy ARIMA Correction Model for Transport Volume Forecast

Table 1

Code of nomenclature.

SymbolDefinition

The correlation coefficient of , and value range is [0, 1]
Fuzzy sets defined on x
Fuzzy sets defined on y
The correlation coefficient between and
The fuzzy coefficient of the independent variable
SThe sum of individual spreads of the fuzzy parameters
HThe influences value used to adjust the value range of
The central value of the fuzzy coefficients
The spread value of the fuzzy coefficients
PThe order of autocorrelation
DThe number of differencing to achieve stationarity
QThe order of the moving average
and Two clustering categories: group 1 and group 2
and The parameters
Error/disturbance terms
KA constant number