Barely Significant

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Mainly, the dataset is divided into six main topic clusters, including: • Topic one: Traffic control and safety • Topic two: ITS in general and public/urban transport • Topic three: Detection systems • Topic four: Emissions reduction and electric vehicles, energy resource substitutions, and intelligent systems for train systems • Topic five: Vehicle communication systems • Topic six: Traffic optimization, prediction, modeling, networks, and data Visually, topics 1, 2, and 4 displayed a decreasing trend over time, and topics 3, 5, and 6 displayed an increasing trend. 3.1.
highly significantqualifiedgold
According to Kaiser (1974) , if a KMO value is greater than 0.90, it is highly significant; if it is between 0.80 and 0.90, it is notable; between 0.70 and 0.80, it is above average; between 0.60 and 0.70, it is mediocre; and between 0.50 and 0.60, it is merely acceptable. 7.2.