Determine if a Text Is Prose or Poetry 

Gather examples of Shakespearean poetry and prose to train a classifier.

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X prose = ExampleData[{"Text", "Hamlet"}]; poetry = ExampleData[{"Text", "ShakespearesSonnets"}];

Train a classifier to distinguish poetry from prose.

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X proseorpoetry = Classify[<|"Prose" -> {prose}, "Poetry" -> {poetry}|>]

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Test the classifier on Shakespearean prose not in the training set.

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X proseorpoetry["It did always seem so to us: but now, in the division of the kingdom, it appears not which of the dukes he values most; for equalities are so weighed, that curiosity in neither can make choice of either's moiety."]

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Test the classifier on Shakespearean poetry not in the training set.

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X proseorpoetry["Crabbed Age and Youth Cannot live together: Youth is full of pleasance, Age is full of care; Youth like summer morn, Age like winter weather; Youth like summer brave, Age like winter bare: Youth is full of sports, Age's breath is short, Youth is nimble, Age is lame: Youth is hot and bold, Age is weak and cold, Youth is wild, and Age is tame:- Age, I do abhor thee; Youth, I do adore thee; O! my Love, my Love is young! Age, I do defy thee- O sweet shepherd, hie thee, For methinks thou stay'st too long. "]

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