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Natural cubic spline

Usage

natural_cspline(x, y, pos)

Arguments

x

Abscissas of the knots

y

Ordinates of the knots

pos

Requested positions

Value

An array corresponding to the values of the spline at the requested positions

Examples

s<-natural_cspline(x = c(0,.2,.3, .9,.95), y= c(1,3,5,8,12), pos=seq(0,1,0.01))
plot(s, type='l')