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Create a function to test if x is an interval #11

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philsf opened this issue Jan 20, 2018 · 0 comments
Open

Create a function to test if x is an interval #11

philsf opened this issue Jan 20, 2018 · 0 comments
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@philsf
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philsf commented Jan 20, 2018 •
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Create a function is.interval(x) to check if

  • x is a vector of 2 values
  • each of the values is.numeric()
  • the second value is greater or equal than the first value

Expected return value is.logical().
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