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Fig. 3 | Big Data Analytics

Fig. 3

From: Survey on data science with population-based algorithms

Fig. 3

Freight changes in a week or ten times for a ship in the same schedule. Figure 3 shows the freight changes in a week or ten times for a ship in the same schedule. The freight price from a port to the same destination changes at every schedule. Taking the route of Ningbo to Kobe (Japan) as an example, there are five ships for every week. The prices may change considerably at each schedule. Figure 3 (a) gives the visual description of prices in one week. There is no significant correlation among five ships. However, the changing pattern of the prices can be found from the previous prices for the same schedule. Figure 3 (b) shows the curve of changing prices in the last ten times. From Figure 3, the price of a specific shipment is more related to the previous prices on the same schedule. However, this situation is only for this special short distance case. For other freight forwarding courses, the prices in one week and the previous prices at the same schedule may have different influence on the future price

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