scale_safely function

Rescale x to (0, 1), except if x is constant

Discussed in PR #32: https://github.com/briatte/ggnetwork/pull/32

scale_safely(x, scale = diff(range(x)))

Arguments

• x: a vector to rescale
• scale: the scale on which to rescale the vector

Returns

The rescaled vector, coerced to a vector if necessary. If the original vector was constant, all of its values are replaced by 0.5.

Author(s)

Kipp Johnson