Swallowtail Series - Statistics

Coverage

This shows how much text coverage you'll have if you know the most X frequent words in that work.

Vocabulary Coverage

Milestones

80% Coverage

2,272 words

85% Coverage

3,658 words

90% Coverage

6,159 words

95% Coverage

11,446 words

98% Coverage

18,561 words

99% Coverage

23,089 words

Total Words

27,617

Difficulty Progression

Shows how the difficulty changes as you progress through the volumes.

Progress	Difficulty	Peak
Vol 1	3.76/5	4.51/5
Vol 2	3.66/5	4.48/5
Vol 3	3.66/5	4.44/5
Vol 4	3.89/5	4.57/5
Overall	3.74/5	4.57/5

Deciles

Shows the difficulty level at or below which X% of the text falls.

10%

1.77/5

20%

2.76/5

25%

3.03/5

30%

3.19/5

40%

3.47/5

50%

3.74/5

60%

4.00/5

70%

4.25/5

80%

4.50/5

90%

4.75/5

Overall Difficulty

3.74/5

Peak Difficulty

4.57/5