View source: R/summary.cpr_cpr.R
summary.cpr_cpr | R Documentation |
Summarize a Control Polygon Reduction Object
## S3 method for class 'cpr_cpr'
summary(object, ...)
object |
a |
... |
pass through |
a data.frame
with the attribute elbow
which is a
programmatic attempt to identify a useful trade-off between degrees of freedom
and fit statistic.
set.seed(42)
x <- seq(0 + 1/5000, 6 - 1/5000, length.out = 100)
bmat <- bsplines(x, iknots = c(1, 1.5, 2.3, 4, 4.5), bknots = c(0, 6))
theta <- matrix(c(1, 0, 3.5, 4.2, 3.7, -0.5, -0.7, 2, 1.5), ncol = 1)
DF <- data.frame(x = x, truth = as.numeric(bmat %*% theta))
DF$y <- as.numeric(bmat %*% theta + rnorm(nrow(bmat), sd = 0.3))
initial_cp <-
cp(y ~ bsplines(x, iknots = c(1, 1.5, 2.3, 3.0, 4, 4.5), bknots = c(0, 6))
, data = DF
, keep_fit = TRUE # default is FALSE
)
cpr0 <- cpr(initial_cp)
s <- summary(cpr0)
s
plot(s, type = "rse")
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