Nothing
anm.cont.pdf<-function(part ="norm",interval=.3){
if(part == "norm") p = rnorm(1000000)
if(part == "t") p = rt(1000000,df=10)
if(part == "exp") p = rexp(1000000)
if(part == "unif") p = runif(1000000, 0, 1)
if(part == "norm") {xlim=c(-6,6);ylim=c(0,0.5)}
if(part == "t") {xlim=c(-15,15);ylim=c(0,0.4)}
if(part =="exp") {xlim=c(0,20);ylim=c(0,0.9)}
if(part =="unif") {xlim=c(0,1);ylim=c(0,1.2)}
for(i in 1:20){
hist(p,breaks=seq(xlim[1],xlim[2],by=1/i),freq=F, ylim = ylim, xlim = xlim, main = "", xlab=expression(italic(x)), ylab="Density")
dev.flush()
Sys.sleep(interval)
}
if(part=="norm")
x <- NULL; rm(x); # Dummy to trick R CMD check
curve(if(part=="norm")dnorm(x)
else if(part=="t") dt(x, df = 10)
else if(part=="exp") dexp(x)
else if(part=="unif") dunif(x)
,xlim[1],xlim[2],ylim=ylim, xlab="",yaxt="n",bty="n",col=1,lwd=ifelse(part == "t", 3, 7), add=TRUE)
}
see.pdf.conc.tck<-function(){
see.pdf.conc<-function(pdf,show.cdf=TRUE){
if(pdf=="t")anm.cont.pdf("t")
if(pdf=="norm")anm.cont.pdf("norm")
if(pdf=="exp")anm.cont.pdf("exp")
if(pdf=="unif")anm.cont.pdf("unif")
}
tclRequire("BWidget")
local({
have_ttk <- as.character(tcl("info", "tclversion")) >= "8.5"
if(have_ttk) {
tkbutton <- ttkbutton
tkcheckbutton <- ttkcheckbutton
tkentry <- ttkentry
tkframe <- ttkframe
tklabel <- ttklabel
tkradiobutton <- ttkradiobutton
}
tclServiceMode(FALSE)
dialog.sd <- function(){
tt <- tktoplevel()
tkwm.title(tt,"Conceptualization of continuous pdfs")
Pdf<-tclVar("normal")
done <- tclVar(0)
reset <- function()
{
tclvalue(Pdf)<-"normal"
}
reset.but <- tkbutton(tt, text="Reset", command=reset)
submit.but <- tkbutton(tt, text="Submit",command=function()tclvalue(done)<-1)
tkgrid(tklabel(tt,text="Conceptualize pdfs"),columnspan=2)
tkgrid(tklabel(tt,text=""),columnspan=2)
tkgrid(tklabel(tt, text="pdf"))
pdfs<- c("exponential","normal","t","uniform")
comboBox <- tkwidget(tt,"ComboBox", editable=FALSE, values=pdfs, textvariable = Pdf, width = 17)
build<-function(){
pdf<-tclvalue(Pdf)
if(pdf =="exponential")dist = "exp"
if(pdf == "normal") dist = "norm"
if(pdf == "t") dist = "t"
if(pdf == "uniform") dist = "unif"
substitute(see.pdf.conc(dist))
}
tkgrid(comboBox,columnspan=2)
tkgrid(tklabel(tt,text=""))
tkgrid(tklabel(tt,text=""))
tkgrid(submit.but, reset.but, sticky="w")
tkbind(tt, "<Destroy>", function()tclvalue(done)<-2)
tkwait.variable(done)
if(tclvalue(done)=="2") stop("aborted")
tkdestroy(tt)
cmd <- build()
eval.parent(cmd)
}
Pdf<- tclVar("normal")
dialog.sd()
})
}
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