Research Article

An Independence Test Based on Symbolic Time Series

Table 4

Power test for a time series size of 200.

Generator processSRS(2,3)SRS(2,4)SRS(3,3)SRS(4,2)SRS(5,2)BDS (a)BDS (b)BDS (s)Runs test

Normal1.923.702.400.280.328.424.924.603.72
CHI-2( )1.623.342.220.200.327.263.543.563.74
-Student( )1.723.502.180.180.306.563.163.304.04
Truncated norm.2.023.662.420.260.3012.867.487.963.96
Beta( / , / )1.963.262.360.240.2813.526.667.924.02
Uniform(0, )1.883.642.740.380.3012.226.647.564.20

AR( )0.762.001.740.140.268.884.624.721.36
MA( )0.361.281.300.140.146.543.723.220.76

Logistic20.6233.74100.00100.00100.0069.0062.8064.2615.22
Henon100.00100.00100.00100.00100.00100.00100.00100.0083.36
Anosov2.665.327.321.101.0214.367.929.205.38
Lorenz100.00100.00100.00100.00100.00100.00100.00100.00100.00

TAR17.1621.506.2615.0440.0217.4210.1611.4638.44
NLSIGN2.744.984.120.821.289.705.245.268.78
Bilinear67.5084.0881.7611.5215.6699.0299.0298.507.20
NLAR0.361.423.400.500.209.144.965.301.08
NLMA4.6812.9432.720.580.707.945.464.385.60
BLMA17.3830.9060.0639.2642.4898.7498.6897.7839.66
Modular84.48100.0096.6479.6661.4477.4880.8271.1891.84
GARCH5.047.6064.1859.3063.2299.5499.6299.1815.30

Note: 5,000 Monte Carlo simulations were conducted applying the pseudorandom numbers from MatLab R2010a. SRS(a,w) indicates the SRS test for a symbolization of a symbols and a length of w. BDS (a), (b), and (s) applied the Kanzler [46] optimal parameters, the Liu et al. [47] best parameters, and the Kanzler [36] simulated critical values for small sample.
Bold values refer to reasonable percentage of rejections considering the process and the critical values.