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Table 1 Descriptive statistics of data

From: Improved naive Bayes classification algorithm for traffic risk management

  First class (= 0) Second class (= 1) Third class (= 2) Fourth class (= 3)
Traffic violations 7298 17,524 5518  
Licensed driving 5518 24,822   
Gender 11,473 18,868   
Vehicle type 24,556 3037 2747  
Driving age 12,406 13,089 4845  
Weather 17,195 10,210 1423 1512