Research Article

Finite Mixture of the Hidden Markov Model for Driving Style Analysis

Table 2

K-means centers of driver #1.

LabelRangeSpeedAccelSD rangeaSD speedbSD accelc

ND-CI-AD29.80185−0.26538−0.223130.158530.199880.15684
ND-KE-AA29.52291−0.109090.254140.099570.182340.15768
ND-CI-NA28.78316−0.515790.045050.157990.037460.17498
ND-CI-GA28.20534−0.633330.163750.188310.137070.13919
CD-CI-GD26.56686−0.62857−0.186140.198530.120440.19391
CD-CI-NA25.18637−0.505560.033520.515080.095990.16900
CD-CI-GD24.45029−0.40000−0.180600.183810.096080.21643
CD-KE-GD22.618670.01111−0.182760.162890.096340.24673
CD-KE-GA22.470400.026670.076770.032450.070370.20655
CD-CI-NA21.21973−0.385000.016630.615390.068460.20971
CD-KE-AD19.98133−0.10833−0.217780.031880.090030.18506
CD-FB-NA21.058530.41053−0.023360.992890.142920.16675
CD-FB-AA25.507100.541940.248081.259770.160780.20842
CD-KE-AA23.78611−0.044740.268661.143830.148320.15873
CD-KE-AD22.94667−0.10000−0.292150.028810.153740.10402

SD rangea denotes the standard deviation of relative range. SD speedb denotes the standard deviation of relative range rate. SD accelc denotes the standard deviation of acceleration.