Research Article
Analyzing Drivers’ Distractions due to Smartphone Usage: Evidence from AutoLog Dataset
Table 2
Kendal Tau-b rank correlation matrix.
| | SNI1T | SNI2T | SNI3T | SNI4T | SNI5C | SNI6C | SNI1E | SNI2E | SNI3E | VI1 | VI2 | VI3 | VI4 | VI5 |
| SNI1T | 1.0000 | | | | | | | | | | | | | | SNI2T | 0.3501 | 1.0000 | | | | | | | | | | | | | SNI3T | 0.4386 | 0.5290 | 1.0000 | | | | | | | | | | | | SNI4T | 0.3956 | 0.4349 | 0.5118 | 1.0000 | | | | | | | | | | | SNI5C | 0.5183 | 0.4127 | 0.5341 | 0.3505 | 1.0000 | | | | | | | | | | SNI6C | 0.2839 | 0.5696 | 0.4138 | 0.2847 | 0.5572 | 1.0000 | | | | | | | | | SNI1E | 0.4878 | 0.2081 | 0.3005 | 0.2633 | 0.3624 | 0.3008 | 1.0000 | | | | | | | | SNI2E | 0.4014 | 0.3571 | 0.1667 | 0.1968 | 0.2611 | 0.3348 | 0.4766 | 1.0000 | | | | | | | SNI3E | 0.3717 | 0.5319 | 0.4527 | 0.3996 | 0.3882 | 0.4163 | 0.3867 | 0.5926 | 1.0000 | | | | | | VI1 | 0.2278 | 0.2679 | 0.4597 | 0.4357 | 0.4577 | 0.4080 | 0.1532 | 0.0794 | 0.2507 | 1.0000 | | | | | VI2 | 0.2534 | 0.5066 | 0.2630 | 0.2329 | 0.3167 | 0.5460 | 0.3480 | 0.3423 | 0.3530 | 0.3599 | 1.0000 | | | | VI3 | .2057 | 0.5176 | 0.3639 | 0.2660 | 0.4725 | 0.6667 | 0.2046 | 0.2003 | 0.4032 | 0.4699 | 0.5957 | 1.0000 | | | VI4 | 0.2482 | 0.1605 | 0.1004 | 0.0324 | 0.1572 | 0.1746 | 0.1513 | 0.1918 | 0.1894 | 0.1244 | 0.2156 | 0.2075 | 1.0000 | | VI5 | 0.3433 | 0.5159 | 0.3754 | 0.2973 | 0.3067 | 0.4052 | 0.2051 | 0.3385 | 0.4048 | 0.3754 | 0.4935 | 0.4378 | 0.073 | 1.0000 |
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