| options(digits=7) |
| |
| ## powers |
| outer(a <- -4:12, -2:7, "^") |
| |
| for (n1 in 1:7) |
| print(zapsmall(polyroot(1:n1), digits = 10)) |
| |
| ## lowess() {incl. sort, etc}: |
| options(digits = 5) |
| |
| lowess(c(3,2,6,3,8,4))$y # this used to differ on Linux |
| |
| y1 <- c(3,1:2,5:2,4,1:3,3) |
| lowess(y1)$y |
| lowess(y1, f = .4)$y |
| |
| lowess(c(y1,100), f = .4)$y |
| |
| ## this is the test sample from Cleveland's original lowess.doc: |
| x <- c(1:5, rep(6,10),8,10,12,14,50) |
| y <- c(18,2,15,6,10,4,16,11,7,3,14,17,20,12,9,13,1,8,5,19) |
| lowess(x,y, f = .25, iter = 0, delta = 0)$y |
| lowess(x,y, f = .25, iter = 0, delta = 3)$y |
| lowess(x,y, f = .25, iter = 2, delta = 0)$y |
| |
