Calculations online dating
One of the most common calculations you perform is to derive a new numeric value based on existing values in your feature layer.For example, you might subtract one year's sales totals for all your stores from sales totals from another year to find the change in profit from one year to the next, or you might divide the total number of residents under 18 years of age by the total population to determine the fraction of the population that is under 18.
Any combination of fields and literals is supported, as shown in the third and fourth calculations.The third and fourth calculations use both a date field and a date literal.The result is a number field that is calculated by subtracting one date field or literal from another date field or literal.The first calculation uses a date field with a value of 6/14/2016 and a number field with a value of 30, while the second one uses a date literal and a number literal.You might want to calculate the length of time between two dates.
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The first calculation uses date fields, the second uses date literals, and the third and fourth use both a date field and a date literal.