wave_code_fr <- c("14_1_1","16_1_2","18_1_3","20_1_4") # wave code for friendship wave_code_gp <- c("29_3_1","30_3_2","32_1_3","36_3_4") # wave code for gossip ...
Abstract: According to research, the vast majority of road accidents (90%) are the result of human error, with only a small percentage (2%) being caused by malfunctions in the vehicle. Smart vehicles ...
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