Nothing
## illustrateCLT_tcl.R produces plots for the subseqent laws of T_n
##
###
require(tcltk) || stop("tcltk support is absent")
require(graphics); require(stats); require(distrTeach)
options("newDevice"=TRUE)
local({
k <- tclVar(1)
X <- tclVar("Norm()")
k.sav <- kv <- 1
X.sav <- Xv <- "Norm()"
renewK <- TRUE
renewX <- TRUE
replot <- function(...) {
if(is.null(k)) kv <- 1
if(renewK)
{k.sav <<- kv <<- as.numeric(tclObj(k)); renewk <<- FALSE}
if(renewX)
{X.sav <<- Xv <<- tclvalue(X);
Distr0 <<- eval(parse(text=Xv)); renewX <<- FALSE}
illustrateCLT.tcl(Distr = Distr0, k = kv, Distrname = Xv)
}
replot.maybe <- function(...)
{
if (as.numeric(tclObj(k)) != k.sav)
renewK <<- TRUE
if (tclvalue(X) != X.sav)
renewX <<- TRUE
replot()
}
base <- tktoplevel()
tkwm.title(base, gettext("Demo for CLT"))
spec.frm <- tkframe(base,borderwidth=2)
top.frm <- tkframe(spec.frm)
bottom.frm <- tkframe(spec.frm)
## 1 top frame:
frame1 <-tkframe(top.frm, relief="groove", borderwidth=2)
tkpack(tklabel (frame1, text=gettext("# of summands")))
tkpack(tkscale(frame1, command=replot.maybe, from=1, to=100,
showvalue=TRUE, variable=k,
resolution=1, orient="horiz"))
## 1 bottom frame:
frame2 <-tkframe(bottom.frm, relief="groove", borderwidth=2)
tkpack(tklabel(frame2, text=gettext("Summation variable")))
X.entry <- tkentry(frame2, textvariable=X, width="20")
X.entry.Scroll <- tkscrollbar(frame2, orient="horizontal",
repeatinterval=5, command =
function(...) tkxview(X.entry, ...))
tkconfigure(X.entry, xscrollcommand =
function(...) tkset(X.entry.Scroll, ...))
buttonsFrame <- tkframe(bottom.frm, relief="groove", borderwidth=2)
onOK <- function() {Xv <- tclvalue(X); replot.maybe()}
OKbutton <- tkbutton(buttonsFrame, text=gettext("OK"),
fg="darkgreen", command=onOK, default="active")
tkpack(X.entry,X.entry.Scroll,OKbutton, fill="x")
tkpack(frame1, fill="x")
tkpack(frame2, buttonsFrame, fill="x")
tkpack(top.frm,bottom.frm,side="top", anchor="n")
## `Bottom frame' (on base):
q.but <- tkbutton(base,text=gettext("Quit"),
command=function()tkdestroy(base))
tkpack(spec.frm, q.but)
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.