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TERM
Observations
Individual data points in a set.
Definition
An observation is a single record such as a store-week or a transaction.
How to Calculate
Count rows or records used in analysis.
Why it Matters
Sample size affects confidence.
Key Advantages
More observations improve precision.
Example
5,200 store-week observations in a quarter.
Use it to
Count the number of usable records behind a metric to judge statistical stability. Check that observations meet minimum thresholds before drawing conclusions from modeled results.
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