near {dplyr} | R Documentation |
This is a safe way of comparing if two vectors of floating point numbers
are (pairwise) equal. This is safer than using ==
, because it has
a built in tolerance
near(x, y, tol = .Machine$double.eps^0.5)
x, y |
Numeric vectors to compare |
tol |
Tolerance of comparison. |
sqrt(2) ^ 2 == 2
near(sqrt(2) ^ 2, 2)