View source: R/monotonicity-contraints.R
is_increasing_fast | R Documentation |
Check that a spline correspond to an increasing quantile function using a fast to compute (but slightly over-restrictive) set of sufficient conditions.
is_increasing_fast(x0, x1, y0, y1, s0, s1, a0, a1)
x0 |
Lower bound of the interval. |
x1 |
Upper bound of the interval. |
y0 |
Value of the first spline at |
y1 |
Value of the first spline at |
s0 |
Slope of the first spline at |
s1 |
Slope of the first spline at |
a0 |
Second derivative of the first spline at |
a1 |
Second derivative of the first spline at |
Thomas Blanchet, Juliette Fournier, Thomas Piketty
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