Determination of the seasonal component of the time series

Depending on the nature of seasonal fluctuations, two types of models are distinguished – additive and multiplicative. According to the additive model, the time series with seasonal fluctuations is represented as: where:         is the value of the predicted variable for the -th point in time;         – trend […]

Insurance

All sales contracts are accompanied by insurance. Depending on the terms of the contract, this obligation lies with either the seller or the buyer. If this obligation is not specified, the party who bears the risk of accidental loss of or damage to the goods during transportation must itself be interested in insurance. In the […]