Method
TTR = unique words / total words × 100.
Lexical diversity
Count unique words and calculate type-token ratio as a descriptive signal.
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Inputs
Change assumptions
How to use it
Use the result as a transparent planning estimate. Change one assumption at a time, compare scenarios and move to Toolkit when you need system-level simulation.
Limits
TTR naturally falls with longer texts; avoid comparing very different lengths.
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Local by design
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