Description Usage Arguments Value Author(s) See Also Examples
Determines g+2k+2 knots for the spline basis of degree k on the interval [a,b]. The g inner knots lie equidistant in [a,b]. If coinc=TRUE
, the outer knots (k on each side of the interval) are placed coincident with a and b, otherwise the outer knots are also equidistant beyond [a,b].
1 | equiknots(a, b, g, k, coinc)
|
a |
Left numeric boundary of the spline interval. |
b |
Right numeric boundary of the spline interval. |
g |
A non-negative integer giving the number of inner knots. |
k |
A non-negative integer specifying the degree of the spline basis. |
coinc |
Logical indicating, if the outer knots should be coincident with the boundary knots or not. If |
A numeric vector of length g+2k+2 with knot locations.
Claudia Koellmann
1 2 |
[1] 0.00 0.00 0.00 0.00 1.25 2.50 3.75 5.00 5.00 5.00 5.00
[1] -3.75 -2.50 -1.25 0.00 1.25 2.50 3.75 5.00 6.25 7.50 8.75
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