yearbyyear
Yearbyyear is a term used to describe the practice of comparing measurements across successive calendar years in data analysis. Although the phrase is sometimes written as year-by-year, the concept remains the same: tracking how a metric changes from one year to the next to identify trends, growth, or decline.
In practice, yearbyyear analyses are common across fields such as finance, economics, demographics, climate science, and
Calculation typically involves yearbyyear changes or growth rates. A standard measure is the year-over-year change, computed
Considerations for yearbyyear work include the alignment of calendar year versus fiscal year, handling missing data,