Nothing
## ----setup, include=FALSE-----------------------------------------------------
knitr::opts_chunk$set(collapse = TRUE,comment = "#",fig.width = 4.5,
fig.height = 3,fig.align = "center",
fig.cap = " ",dpi = 120)
## -----------------------------------------------------------------------------
library(susieR)
set.seed(1)
n=1000
mu = c(rep(0,100),rep(1,100),rep(3,100),rep(-2,100),rep(0,600))
y = mu + rnorm(n)
s = susie_trendfilter(y, 0, L=10)
## -----------------------------------------------------------------------------
plot(y,pch=".")
lines(mu,col=1,lwd=3)
lines(predict(s),col=2,lwd=2)
s$sigma2
## -----------------------------------------------------------------------------
set.seed(1)
mu = seq(0,4,length=1000)
y = mu + rnorm(n)
s = susie_trendfilter(y,0,L=10)
plot(y,pch=".")
lines(mu,col=1,lwd=3)
lines(predict(s),col=2,lwd=2)
## ---- eval=FALSE--------------------------------------------------------------
# # install.packages("remotes")
# # remotes::install_github("glmgen/genlasso")
# y.tf = trendfilter(y,ord=0)
# y.tf.cv = cv.trendfilter(y.tf)
# plot(y,pch=".")
# lines(mu,col=1,lwd=3)
# lines(predict(s),col=2,lwd=2)
# lines(y.tf$fit[,which(y.tf$lambda==y.tf.cv$lambda.min)],col=4,lwd=2)
## ---- eval=FALSE--------------------------------------------------------------
# set.seed(1)
# mu = seq(0,4,length=1000)
# mu = mu + c(rep(0,500),rep(4,500))
# y = mu + rnorm(n)
# s = susie_trendfilter(y,0,L=10)
# y.tf = trendfilter(y,ord=0)
# y.tf.cv = cv.trendfilter(y.tf)
# plot(y,pch=".")
# lines(mu,col=1,lwd=3)
# lines(predict(s),col=2,lwd=2)
# lines(y.tf$fit[,which(y.tf$lambda==y.tf.cv$lambda.min)],col=4,lwd=2)
## ---- eval=FALSE--------------------------------------------------------------
# sqrt(mean((mu-y.tf$fit[,which(y.tf$lambda==y.tf.cv$lambda.min)])^2))
# sqrt(mean((mu-predict(s))^2))
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