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Day1.Rsession
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Day1.Rsession
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R Under development (unstable) (2016-06-30 r70858) -- "Unsuffered Consequences"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin15.2.0 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
PID = 44453
Time = 2017-07-11 08:56:39
Dir = /Users/duncan/DSI/Workshops/RFundamentals
1>
3> 1
[1] 1
4> e = parse(text = "1")
6> e
expression(1)
7> e[[1]]
[1] 1
8> class(e[[1]])
[1] "numeric"
10> e = parse(text = 'pi')
11> e
expression(pi)
12> e[[1]]
pi
13> class(e[[1]])
[1] "name"
15> 1+2
[1] 3
16> pi
[1] 3.141593
17> ls()
[1] "bigfiles" "e" "getFunctions" "mostRecent"
[5] "Open" "quartz"
18> base::pi
[1] 3.141593
19> pi = 3
20> pi
[1] 3
21> rm(pi)
23> search()
[1] ".GlobalEnv" "ESSR" "package:stats"
[4] "package:graphics" "package:grDevices" "package:datasets"
[7] "package:utils" "package:methods" "Autoloads"
[10] "package:base"
24> globalenv()
<environment: R_GlobalEnv>
25> find("pi")
[1] "package:base"
27> parent.env(globalenv())
<environment: 0x7ff07944ff10>
attr(,"name")
[1] "ESSR"
29> parente.env(parent.env(globalenv()))
Error: could not find function "parente.env"
No suitable frames for recover()
31> parent.env(parent.env(globalenv()))
<environment: package:stats>
attr(,"name")
[1] "package:stats"
attr(,"path")
[1] "/Users/duncan/Projects/R-3.3-devel/library/stats"
32> search()
[1] ".GlobalEnv" "ESSR" "package:stats"
[4] "package:graphics" "package:grDevices" "package:datasets"
[7] "package:utils" "package:methods" "Autoloads"
[10] "package:base"
33> library(stats4)
35> search()
[1] ".GlobalEnv" "package:stats4" "ESSR"
[4] "package:stats" "package:graphics" "package:grDevices"
[7] "package:datasets" "package:utils" "package:methods"
[10] "Autoloads" "package:base"
36> library(rpart, 10)
37> search()
[1] ".GlobalEnv" "package:rpart" "package:stats4"
[4] "ESSR" "package:stats" "package:graphics"
[7] "package:grDevices" "package:datasets" "package:utils"
[10] "package:methods" "Autoloads" "package:base"
38> library(ReadPDF, pos = 10)
39> search()
[1] ".GlobalEnv" "package:rpart" "package:stats4"
[4] "ESSR" "package:stats" "package:graphics"
[7] "package:grDevices" "package:datasets" "package:utils"
[10] "package:ReadPDF" "package:methods" "Autoloads"
[13] "package:base"
40> XML::xmlParse
*** output flushed ***
41> search()
[1] ".GlobalEnv" "package:rpart" "package:stats4"
[4] "ESSR" "package:stats" "package:graphics"
[7] "package:grDevices" "package:datasets" "package:utils"
[10] "package:ReadPDF" "package:methods" "Autoloads"
[13] "package:base"
44> XML::trim
Error: 'trim' is not an exported object from 'namespace:XML'
Enter a frame number, or 0 to exit
1: XML::trim
2: getExportedValue(pkg, name)
Selection: 0
44>
44> XML:::trim
function (x)
gsub("(^[[:space:]]+|[[:space:]]+$)", "", x)
<environment: namespace:XML>
45> e = parse(text = "1+2")
46> class(e)
[1] "expression"
48> e
expression(1+2)
49> e[[1]]
1 + 2
50> class(e[[1]])
[1] "call"
52> e[[1][[1]]
Error: unexpected '[[' in "e[[1][["
No suitable frames for recover()
52> e[[1]][[1]
+ C-c C-c
No suitable frames for recover()
52> e[[1]][[1]]
`+`
53> e = parse(text = "1:10")
54> e[[1]][[1]]
`:`
55> XML::xmlParse
*** output flushed ***
56> +
+ +
+ 1
[1] 1
57> `+`
function (e1, e2) .Primitive("+")
58> while
+ C-c C-c
No suitable frames for recover()
58> `while`
.Primitive("while")
59> e
expression(1:10)
60> e[[1]]
1:10
61> e = parse(text = "T; TRUE")
62> e
expression(T, TRUE)
63> length(e)
[1] 2
65> e[[1]]
T
66> e[[2]]
[1] TRUE
67> sapply(e, class)
[1] "name" "logical"
69> T = 0
70> e = parse(text = "'T'; T; TRUE")
71> length(e)
[1] 3
73> sapply(e, class)
[1] "character" "name" "logical"
74> plot.default
function (x, y = NULL, type = "p", xlim = NULL, ylim = NULL,
log = "", main = NULL, sub = NULL, xlab = NULL, ylab = NULL,
ann = par("ann"), axes = TRUE, frame.plot = axes, panel.first = NULL,
panel.last = NULL, asp = NA, ...)
{
localAxis <- function(..., col, bg, pch, cex, lty, lwd) Axis(...)
localBox <- function(..., col, bg, pch, cex, lty, lwd) box(...)
localWindow <- function(..., col, bg, pch, cex, lty, lwd) plot.window(...)
localTitle <- function(..., col, bg, pch, cex, lty, lwd) title(...)
xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel, log)
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
xlim <- if (is.null(xlim))
range(xy$x[is.finite(xy$x)])
else xlim
ylim <- if (is.null(ylim))
range(xy$y[is.finite(xy$y)])
else ylim
dev.hold()
on.exit(dev.flush())
plot.new()
localWindow(xlim, ylim, log, asp, ...)
panel.first
plot.xy(xy, type, ...)
panel.last
if (axes) {
localAxis(if (is.null(y))
xy$x
else x, side = 1, ...)
localAxis(if (is.null(y))
x
else y, side = 2, ...)
}
if (frame.plot)
localBox(...)
if (ann)
localTitle(main = main, sub = sub, xlab = xlab, ylab = ylab,
...)
invisible()
}
<bytecode: 0x7ff07ac0f878>
<environment: namespace:graphics>
75> scatter.smooth
function (x, y = NULL, span = 2/3, degree = 1, family = c("symmetric",
"gaussian"), xlab = NULL, ylab = NULL, ylim = range(y, pred$y,
na.rm = TRUE), evaluation = 50, ..., lpars = list())
{
xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel)
x <- xy$x
y <- xy$y
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
pred <- loess.smooth(x, y, span, degree, family, evaluation)
plot(x, y, ylim = ylim, xlab = xlab, ylab = ylab, ...)
do.call(lines, c(list(pred), lpars))
invisible()
}
<bytecode: 0x7ff07d09ae60>
<environment: namespace:stats>
81> formals(scatter.smooth)
$x
$y
NULL
$span
2/3
$degree
[1] 1
$family
c("symmetric", "gaussian")
$xlab
NULL
$ylab
NULL
$ylim
range(y, pred$y, na.rm = TRUE)
$evaluation
[1] 50
$...
$lpars
list()
86> sum
*** output flushed ***
94> match.call(scatter.smooth, quote(scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")))
match.call(scatter.smooth, quote(scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data")))
scatter.smooth(x = mtcars[, c("mpg", "wt")], family = "gaussian",
xlab = "Weight of car", ylab = "Miles per Gallon", main = "Motor Trends Data",
lpars = list(lwd = 2, col = "red"))
97> match.call(scatter.smooth, scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data"))
match.call(scatter.smooth, scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data"))
Error in match.call(scatter.smooth, scatter.smooth(mtcars[, c("mpg", "wt")], :
invalid 'call' argument
Enter a frame number, or 0 to exit
1: match.call(scatter.smooth, scatter.smooth(mtcars[, c("mpg", "wt")
Selection: 0
98> match.call(scatter.smooth, quote(scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")))
match.call(scatter.smooth, quote(scatter.smooth(mtcars[, c("mpg", "wt")], fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data")))
scatter.smooth(x = mtcars[, c("mpg", "wt")], family = "gaussian",
xlab = "Weight of car", ylab = "Miles per Gallon", main = "Motor Trends Data",
lpars = list(lwd = 2, col = "red"))
99> sum
function (..., na.rm = FALSE) .Primitive("sum")
101> sum(1, 2, NA, na.rm = TRUE)
[1] 3
103> sum(1, 2, na.rm = TRUE)
[1] 3
105> sum(1, 2, na.r = TRUE)
[1] 4
107> 1L
[1] 1
108> scatter.smooth
function (x, y = NULL, span = 2/3, degree = 1, family = c("symmetric",
"gaussian"), xlab = NULL, ylab = NULL, ylim = range(y, pred$y,
na.rm = TRUE), evaluation = 50, ..., lpars = list())
{
> xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel)
x <- xy$x
y <- xy$y
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
pred <- loess.smooth(x, y, span, degree, family, evaluation)
plot(x, y, ylim = ylim, xlab = xlab, ylab = ylab, ...)
do.call(lines, c(list(pred), lpars))
invisible()
}
<bytecode: 0x7ff07d09ae60>
<environment: namespace:stats>
109> [
Error: unexpected '[' in "["
No suitable frames for recover()
109> `[`
.Primitive("[")
110> ?`[`
112>
112> ?"["
113> xy.coords
function (x, y = NULL, xlab = NULL, ylab = NULL, log = NULL,
recycle = FALSE, setLab = TRUE)
{
if (is.null(y)) {
if (is.null(ylab))
ylab <- xlab
if (is.language(x)) {
if (inherits(x, "formula") && length(x) == 3) {
if (setLab) {
ylab <- deparse(x[[2L]])
xlab <- deparse(x[[3L]])
}
y <- eval(x[[2L]], environment(x))
x <- eval(x[[3L]], environment(x))
}
else stop("invalid first argument")
}
else if (inherits(x, "ts")) {
y <- if (is.matrix(x))
x[, 1]
else x
x <- stats::time(x)
if (setLab)
xlab <- "Time"
}
else if (is.complex(x)) {
y <- Im(x)
x <- Re(x)
if (setLab) {
xlab <- paste0("Re(", ylab, ")")
ylab <- paste0("Im(", ylab, ")")
}
}
else if (is.matrix(x) || is.data.frame(x)) {
x <- data.matrix(x)
if (ncol(x) == 1) {
if (setLab)
xlab <- "Index"
y <- x[, 1]
x <- seq_along(y)
}
else {
colnames <- dimnames(x)[[2L]]
if (setLab) {
if (is.null(colnames)) {
xlab <- paste0(ylab, "[,1]")
ylab <- paste0(ylab, "[,2]")
}
else {
xlab <- colnames[1L]
ylab <- colnames[2L]
}
}
y <- x[, 2]
x <- x[, 1]
}
}
else if (is.list(x)) {
if (all(c("x", "y") %in% names(x))) {
if (setLab) {
xlab <- paste0(ylab, "$x")
ylab <- paste0(ylab, "$y")
}
y <- x[["y"]]
x <- x[["x"]]
}
else stop("'x' is a list, but does not have components 'x' and 'y'")
}
else {
if (is.factor(x))
x <- as.numeric(x)
if (setLab)
xlab <- "Index"
y <- x
x <- seq_along(x)
}
}
if (inherits(x, "POSIXt"))
x <- as.POSIXct(x)
if (length(x) != length(y)) {
if (recycle) {
if ((nx <- length(x)) < (ny <- length(y)))
x <- rep_len(x, ny)
else y <- rep_len(y, nx)
}
else stop("'x' and 'y' lengths differ")
}
if (length(log) && log != "") {
log <- strsplit(log, NULL)[[1L]]
if ("x" %in% log && any(ii <- x <= 0 & !is.na(x))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d x value <= 0 omitted from logarithmic plot",
"%d x values <= 0 omitted from logarithmic plot"),
n), domain = NA)
x[ii] <- NA
}
if ("y" %in% log && any(ii <- y <= 0 & !is.na(y))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d y value <= 0 omitted from logarithmic plot",
"%d y values <= 0 omitted from logarithmic plot"),
n), domain = NA)
y[ii] <- NA
}
}
list(x = as.double(x), y = as.double(y), xlab = xlab, ylab = ylab)
}
<bytecode: 0x7ff07d3dbf40>
<environment: namespace:grDevices>
114> environment(scatter.smooth)
<environment: namespace:stats>
117> parent.env(environment(scatter.smooth))
<environment: 0x7ff078ead1b8>
attr(,"name")
[1] "imports:stats"
118> parent.env(parent.env(environment(scatter.smooth)))
<environment: namespace:base>
119> parent.env(parent.env(parent.env(environment(scatter.smooth))))
<environment: R_GlobalEnv>
120> f = function(a, b) a + b
121> environment(f)
<environment: R_GlobalEnv>
122> debug(f)
124> f(1, 2)
debugging in: f(1, 2)
debug: a + b
Browse[2]> ls()
[1] "a" "b"
Browse[2]> C-c C-c
Enter a frame number, or 0 to exit
1: f(1, 2)
Selection: 0
Browse[2]>
exiting from: f(1, 2)
[1] 3
127> f(1, 2 + 6)
debugging in: f(1, 2 + 6)
debug: a + b
Browse[2]> sys.frames()
[[1]]
<environment: 0x7ff07d603920>
Browse[2]> ls(sys.frames()[[1]])
[1] "a" "b"
Browse[2]> parent.env(sys.frames()[[1]])
<environment: R_GlobalEnv>
Browse[2]> c
exiting from: f(1, 2 + 6)
[1] 9
133> debug(scatter.smooth)
134> debug(rnorm)
140> debug(rpois)
141> scatter.smooth(rnorm(10), rpois(10), fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
scatter.smooth(rnorm(10), rpois(10), fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data")
debugging in: scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
debug: {
xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel)
x <- xy$x
y <- xy$y
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
pred <- loess.smooth(x, y, span, degree, family, evaluation)
plot(x, y, ylim = ylim, xlab = xlab, ylab = ylab, ...)
do.call(lines, c(list(pred), lpars))
invisible()
}
Browse[2]> n
debug: xlabel <- if (!missing(x)) deparse(substitute(x))
Browse[2]> n
debug: deparse(substitute(x))
Browse[2]> n
debug: ylabel <- if (!missing(y)) deparse(substitute(y))
Browse[2]> n
debug: deparse(substitute(y))
Browse[2]> n
debug: xy <- xy.coords(x, y, xlabel, ylabel)
Browse[2]> sys.calls()
[[1]]
scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
Browse[2]> n
debugging in: rpois(10)
debug: .Call(C_rpois, n, lambda)
Browse[3]> c
Error in rpois(10) : argument "lambda" is missing, with no default
Enter a frame number, or 0 to exit
1: scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weig
2: xy.coords(x, y, xlabel, ylabel)
3: rpois(10)
Selection: 0
143>
143> debug(xy.coords)
144> scatter.smooth(rnorm(10), rpois(10), fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
scatter.smooth(rnorm(10), rpois(10), fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data")
debugging in: scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
debug: {
xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel)
x <- xy$x
y <- xy$y
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
pred <- loess.smooth(x, y, span, degree, family, evaluation)
plot(x, y, ylim = ylim, xlab = xlab, ylab = ylab, ...)
do.call(lines, c(list(pred), lpars))
invisible()
}
Browse[2]> n
debug: xlabel <- if (!missing(x)) deparse(substitute(x))
Browse[2]>
debug: deparse(substitute(x))
Browse[2]>
debug: ylabel <- if (!missing(y)) deparse(substitute(y))
Browse[2]>
debug: deparse(substitute(y))
Browse[2]>
debug: xy <- xy.coords(x, y, xlabel, ylabel)
Browse[2]>
debugging in: xy.coords(x, y, xlabel, ylabel)
debug: {
if (is.null(y)) {
if (is.null(ylab))
ylab <- xlab
if (is.language(x)) {
if (inherits(x, "formula") && length(x) == 3) {
if (setLab) {
ylab <- deparse(x[[2L]])
xlab <- deparse(x[[3L]])
}
y <- eval(x[[2L]], environment(x))
x <- eval(x[[3L]], environment(x))
}
else stop("invalid first argument")
}
else if (inherits(x, "ts")) {
y <- if (is.matrix(x))
x[, 1]
else x
x <- stats::time(x)
if (setLab)
xlab <- "Time"
}
else if (is.complex(x)) {
y <- Im(x)
x <- Re(x)
if (setLab) {
xlab <- paste0("Re(", ylab, ")")
ylab <- paste0("Im(", ylab, ")")
}
}
else if (is.matrix(x) || is.data.frame(x)) {
x <- data.matrix(x)
if (ncol(x) == 1) {
if (setLab)
xlab <- "Index"
y <- x[, 1]
x <- seq_along(y)
}
else {
colnames <- dimnames(x)[[2L]]
if (setLab) {
if (is.null(colnames)) {
xlab <- paste0(ylab, "[,1]")
ylab <- paste0(ylab, "[,2]")
}
else {
xlab <- colnames[1L]
ylab <- colnames[2L]
}
}
y <- x[, 2]
x <- x[, 1]
}
}
else if (is.list(x)) {
if (all(c("x", "y") %in% names(x))) {
if (setLab) {
xlab <- paste0(ylab, "$x")
ylab <- paste0(ylab, "$y")
}
y <- x[["y"]]
x <- x[["x"]]
}
else stop("'x' is a list, but does not have components 'x' and 'y'")
}
else {
if (is.factor(x))
x <- as.numeric(x)
if (setLab)
xlab <- "Index"
y <- x
x <- seq_along(x)
}
}
if (inherits(x, "POSIXt"))
x <- as.POSIXct(x)
if (length(x) != length(y)) {
if (recycle) {
if ((nx <- length(x)) < (ny <- length(y)))
x <- rep_len(x, ny)
else y <- rep_len(y, nx)
}
else stop("'x' and 'y' lengths differ")
}
if (length(log) && log != "") {
log <- strsplit(log, NULL)[[1L]]
if ("x" %in% log && any(ii <- x <= 0 & !is.na(x))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d x value <= 0 omitted from logarithmic plot",
"%d x values <= 0 omitted from logarithmic plot"),
n), domain = NA)
x[ii] <- NA
}
if ("y" %in% log && any(ii <- y <= 0 & !is.na(y))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d y value <= 0 omitted from logarithmic plot",
"%d y values <= 0 omitted from logarithmic plot"),
n), domain = NA)
y[ii] <- NA
}
}
list(x = as.double(x), y = as.double(y), xlab = xlab, ylab = ylab)
}
Browse[3]> sys.calls()
[[1]]
scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
[[2]]
xy.coords(x, y, xlabel, ylabel)
Browse[3]> n
debug: if (is.null(y)) {
if (is.null(ylab))
ylab <- xlab
if (is.language(x)) {
if (inherits(x, "formula") && length(x) == 3) {
if (setLab) {
ylab <- deparse(x[[2L]])
xlab <- deparse(x[[3L]])
}
y <- eval(x[[2L]], environment(x))
x <- eval(x[[3L]], environment(x))
}
else stop("invalid first argument")
}
else if (inherits(x, "ts")) {
y <- if (is.matrix(x))
x[, 1]
else x
x <- stats::time(x)
if (setLab)
xlab <- "Time"
}
else if (is.complex(x)) {
y <- Im(x)
x <- Re(x)
if (setLab) {
xlab <- paste0("Re(", ylab, ")")
ylab <- paste0("Im(", ylab, ")")
}
}
else if (is.matrix(x) || is.data.frame(x)) {
x <- data.matrix(x)
if (ncol(x) == 1) {
if (setLab)
xlab <- "Index"
y <- x[, 1]
x <- seq_along(y)
}
else {
colnames <- dimnames(x)[[2L]]
if (setLab) {
if (is.null(colnames)) {
xlab <- paste0(ylab, "[,1]")
ylab <- paste0(ylab, "[,2]")
}
else {
xlab <- colnames[1L]
ylab <- colnames[2L]
}
}
y <- x[, 2]
x <- x[, 1]
}
}
else if (is.list(x)) {
if (all(c("x", "y") %in% names(x))) {
if (setLab) {
xlab <- paste0(ylab, "$x")
ylab <- paste0(ylab, "$y")
}
y <- x[["y"]]
x <- x[["x"]]
}
else stop("'x' is a list, but does not have components 'x' and 'y'")
}
else {
if (is.factor(x))
x <- as.numeric(x)
if (setLab)
xlab <- "Index"
y <- x
x <- seq_along(x)
}
}
Browse[3]>
debugging in: rpois(10)
debug: .Call(C_rpois, n, lambda)
Browse[4]> sys.calls()
[[1]]
scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
[[2]]
xy.coords(x, y, xlabel, ylabel)
[[3]]
rpois(10)
Browse[4]>
Error in rpois(10) : argument "lambda" is missing, with no default
Enter a frame number, or 0 to exit
1: scatter.smooth(rnorm(10), rpois(10), fam = "gaussian", xl = "Weig
2: xy.coords(x, y, xlabel, ylabel)
3: rpois(10)
Selection: c
Enter an item from the menu, or 0 to exit
Selection: 0
146>
146> scatter.smooth(rnorm(10), rpois(10, 1), fam = "gaussian",
xl = "Weight of car", yla = "Miles per Gallon",
lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
scatter.smooth(rnorm(10), rpois(10, 1), fam = "gaussian",
+ xl = "Weight of car", yla = "Miles per Gallon",
+ lpars = list(lwd = 2, col = "red"),
+ main = "Motor Trends Data")
debugging in: scatter.smooth(rnorm(10), rpois(10, 1), fam = "gaussian", xl = "Weight of car",
yla = "Miles per Gallon", lpars = list(lwd = 2, col = "red"),
main = "Motor Trends Data")
debug: {
xlabel <- if (!missing(x))
deparse(substitute(x))
ylabel <- if (!missing(y))
deparse(substitute(y))
xy <- xy.coords(x, y, xlabel, ylabel)
x <- xy$x
y <- xy$y
xlab <- if (is.null(xlab))
xy$xlab
else xlab
ylab <- if (is.null(ylab))
xy$ylab
else ylab
pred <- loess.smooth(x, y, span, degree, family, evaluation)
plot(x, y, ylim = ylim, xlab = xlab, ylab = ylab, ...)
do.call(lines, c(list(pred), lpars))
invisible()
}
Browse[2]> n
debug: xlabel <- if (!missing(x)) deparse(substitute(x))
Browse[2]>
debug: deparse(substitute(x))
Browse[2]>
debug: ylabel <- if (!missing(y)) deparse(substitute(y))
Browse[2]>
debug: deparse(substitute(y))
Browse[2]>
debug: xy <- xy.coords(x, y, xlabel, ylabel)
Browse[2]>
debugging in: xy.coords(x, y, xlabel, ylabel)
debug: {
if (is.null(y)) {
if (is.null(ylab))
ylab <- xlab
if (is.language(x)) {
if (inherits(x, "formula") && length(x) == 3) {
if (setLab) {
ylab <- deparse(x[[2L]])
xlab <- deparse(x[[3L]])
}
y <- eval(x[[2L]], environment(x))
x <- eval(x[[3L]], environment(x))
}
else stop("invalid first argument")
}
else if (inherits(x, "ts")) {
y <- if (is.matrix(x))
x[, 1]
else x
x <- stats::time(x)
if (setLab)
xlab <- "Time"
}
else if (is.complex(x)) {
y <- Im(x)
x <- Re(x)
if (setLab) {
xlab <- paste0("Re(", ylab, ")")
ylab <- paste0("Im(", ylab, ")")
}
}
else if (is.matrix(x) || is.data.frame(x)) {
x <- data.matrix(x)
if (ncol(x) == 1) {
if (setLab)
xlab <- "Index"
y <- x[, 1]
x <- seq_along(y)
}
else {
colnames <- dimnames(x)[[2L]]
if (setLab) {
if (is.null(colnames)) {
xlab <- paste0(ylab, "[,1]")
ylab <- paste0(ylab, "[,2]")
}
else {
xlab <- colnames[1L]
ylab <- colnames[2L]
}
}
y <- x[, 2]
x <- x[, 1]
}
}
else if (is.list(x)) {
if (all(c("x", "y") %in% names(x))) {
if (setLab) {
xlab <- paste0(ylab, "$x")
ylab <- paste0(ylab, "$y")
}
y <- x[["y"]]
x <- x[["x"]]
}
else stop("'x' is a list, but does not have components 'x' and 'y'")
}
else {
if (is.factor(x))
x <- as.numeric(x)
if (setLab)
xlab <- "Index"
y <- x
x <- seq_along(x)
}
}
if (inherits(x, "POSIXt"))
x <- as.POSIXct(x)
if (length(x) != length(y)) {
if (recycle) {
if ((nx <- length(x)) < (ny <- length(y)))
x <- rep_len(x, ny)
else y <- rep_len(y, nx)
}
else stop("'x' and 'y' lengths differ")
}
if (length(log) && log != "") {
log <- strsplit(log, NULL)[[1L]]
if ("x" %in% log && any(ii <- x <= 0 & !is.na(x))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d x value <= 0 omitted from logarithmic plot",
"%d x values <= 0 omitted from logarithmic plot"),
n), domain = NA)
x[ii] <- NA
}
if ("y" %in% log && any(ii <- y <= 0 & !is.na(y))) {
n <- as.integer(sum(ii))
warning(sprintf(ngettext(n, "%d y value <= 0 omitted from logarithmic plot",
"%d y values <= 0 omitted from logarithmic plot"),
n), domain = NA)
y[ii] <- NA
}
}
list(x = as.double(x), y = as.double(y), xlab = xlab, ylab = ylab)
}
Browse[3]> n
debug: if (is.null(y)) {
if (is.null(ylab))
ylab <- xlab
if (is.language(x)) {
if (inherits(x, "formula") && length(x) == 3) {
if (setLab) {
ylab <- deparse(x[[2L]])
xlab <- deparse(x[[3L]])
}
y <- eval(x[[2L]], environment(x))
x <- eval(x[[3L]], environment(x))
}