[R] ns() (pkg splines) vs rcs() (pkg Design)

From: Moko Kosta <mokokosta_at_yahoo.com>
Date: Wed 25 Oct 2006 - 15:20:45 GMT

Dear R-helpers,

Why the following calls result in a different output:


x <- rnorm(10)
ns(x, knots = 0, Boundary.knots = c(-1, 1)) rcs(x, c(-1, 0, 1))

Thanks in advance for any hints.

Kind Regards,
Moko Kosta

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