Very often I want to compare the level of a series at some time with an earlier date. For example, I often write sentences such as: "Housing prices are now X per cent higher than in january 2017". But to find that number I typically have to use the @element function. for example:
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@elem(pbol_en_sa,"2017m10")/@elem(pbol_en_sa,"2017m01")-1Or maybe there is another and easier way to do this operation?
Thomas
