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FK readability metrics (reading ease and grade level).

Flesch-Kincaid reading ease and grade level are metrics designed to represent the readability of a piece of text.

Tags: readability Flesch-Kincaid

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Ease: ?
Grade: ?

Note that the theoretical lowest grade level is -3.40.

While Flesch-Kincaid can be a useful heuristic, it is no substitute for human judgement, and metrics based on training from large corpuses of data have far exceeded the performance of FK-based metrics.