From the JapaneseTextAnalysisTool's readme:
Quote:User-based Readability Report:What is the difference between unique and non-unique words?
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Using a list of words that the user already knows, this report can help to determine readability
of a text based on the percentage of words in the text that the user already knows.
Name: user_based_readability_report.txt
Format:
Field 1: Readability expressed as a percentage (0-100) of the total number
of non-unique known words vs. the total number of non-unique words.
Field 2: Total number of non-unique words
Field 3: Total number of non-unique known words
Field 4: Total number of non-unique unknown words
Field 5: Readability expressed as a percentage (0-100) of the total number
of unique known words vs. the total number of unique words.
Field 6: Total number of unique words
Field 7: Total number of unique known words
Field 8: Total number of unique unknown words
Field 9: Filename
Report is sorted based on Readability (Field 1).

