Abstract
In this last chapter, we briefly consider what to do when you find that your code is running too slow, and, in particular, how to figure out why it is running too slow.
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- 1.
In formulas, x*z means x + z + x:z whereas x:z is the interaction between x and z—in practice the product of their numbers—so y ∼ x*z means ϕ(x, z) = (1, x, z, x ⋅ z)).
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© 2017 Thomas Mailund
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Mailund, T. (2017). Profiling and Optimizing. In: Beginning Data Science in R. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4842-2671-1_14
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DOI: https://doi.org/10.1007/978-1-4842-2671-1_14
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4842-2670-4
Online ISBN: 978-1-4842-2671-1
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