give an example of time series having decreasing trend ?
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Answer:
You may have heard people saying that the price of a particular commodity has increased or decreased with time. This commodity can be anything like gold, silver, any eatables, petrol, diesel etc. Also, you may have heard that the rate of interest has increased in banks. The The trend shows the general tendency of the data to increase or decrease during a long period of time. A trend is a smooth, general, long-term, average tendency. It is not always necessary that the increase or decrease is in the same direction throughout the given period of time.If we plot the time series values on a graph in accordance with time t. The pattern of the data clustering shows the type of trend. If the set of data cluster more or less round a straight line, then the trend is linear otherwise it is non-linear (Curvilinear).