Nothing
library(ggplot2)
library(covafillr)
x <- seq(-2,2,len=300)
pol <- function(x)1 + 0.5 * x - 1.5 * x^2 + 2 * x ^ 3
y <- rnorm(length(x),pol(x), 2)
data <- data.frame(x=x,y=y)
cf <- covafill(coord = data$x,
obs = data$y,
p = as.integer(3))
cf$predict(0,TRUE)
ggplot(aes(x=x,y=y),data=data) +
geom_point() +
stat_covafill(polyDegree=3L)+
geom_label(aes(x=x,y=y,label=label,hjust=0),data=data.frame(x=0,y=-25,label="ggplot(aes(x=x,y=y),data=data) +\n\tgeom_point() +\n\tstat_covafill(polyDegree=3L)"))
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