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BTS Home > Publications > Journal of Transportation and Statistics > Volume 8 Number 1 > Paper 1
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Table 2 - Research Hypotheses

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Regression model hypothesis Interpretation
H: β q2 - β q1 > 0 Block repair is incomplete; not to good as new.
H: β q3 > 0 The repair fraction of good as new is decreasing.
H: β q4 > 0 The failure rate increases with the time since block repair.
H: β q5 > 0 There is an accelerated failure rate with increasing time since repair.
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