Research Article

Track Irregularity Time Series Analysis and Trend Forecasting

Table 3

Values of autocorrelation function, autocovariance function, and partial incidence degree function.

01234567

1−0.5910 0.0835 0.0075 0.0040 −0.1106 0.3729 −0.4402
20.7675−12.2731 1.7341 0.1567 0.0821 −2.2967 7.7441 −9.1408
1−1.0356−0.9201−0.7259−0.5022−0.2565 0.1265 −0.0529