Nothing
see.geo.tck<-function ()
{
if (!exists("slider.env"))
slider.env <- NULL; suppressWarnings(rm(slider.env)); slider.env <<- new.env()# Dummy to trick R CMD check
p <- 0.5
assign("p", tclVar(p), envir = slider.env)
xmin <- 0
assign("xmin", tclVar(xmin), envir = slider.env)
xmax <- 10
assign("xmax", tclVar(xmax), envir = slider.env)
norm.refresh <- function(...) {
p <- as.numeric(evalq(tclvalue(p), envir = slider.env))
xmin <- as.numeric(evalq(tclvalue(xmin), envir = slider.env))
xmax <- as.numeric(evalq(tclvalue(xmax), envir = slider.env))
xx <- seq(xmin, xmax)
yy <- dgeom(xx,p)
dev.hold()
plot(xx, yy, type = "h", xlab=expression(italic(x)),ylab=expression(paste(italic(f),"(",italic(x),")", sep = "")))
points(xx, yy, pch =19)
mtext(bquote(paste(italic(X), " ~ ", italic(GEO), "(", .(p), ")", sep = "")), line = 1, side = 3)
dev.flush()
}
tclServiceMode(TRUE)
m <- tktoplevel()
tkwm.title(m, "GEO(\u03C0)")
tkpack(tklabel(m,text=" Visualizing the Geometric Distribution "))
tkwm.geometry(m, "+0+0")
tkpack(fr <- tkframe(m), side = "top")
tkpack(tklabel(fr, text = '\u03C0', font=c("Helvetica","9","italic"),width = "20"),
side = "right")
tkpack(sc <- tkscale(fr, command = norm.refresh, from = 0.01,
to = 1, orient = "horiz", resolution = 0.01, showvalue = TRUE),
side = "left")
assign("sc", sc, envir = slider.env)
evalq(tkconfigure(sc, variable = p), envir = slider.env)
tkpack(fr <- tkframe(m), side = "top")
tkpack(tklabel(fr, text = "Xmin:", width = 6), side = "left")
tkpack(e <- tkentry(fr, width = 8), side = "left")
assign("e", e, envir = slider.env)
evalq(tkconfigure(e, textvariable = xmin), envir = slider.env)
tkpack(tklabel(fr, text = "Xmax:", width = 6), side = "left")
tkpack(e <- tkentry(fr, width = 8), side = "left")
assign("e", e, envir = slider.env)
evalq(tkconfigure(e, textvariable = xmax), envir = slider.env)
tkpack(tkbutton(m, text = "Refresh", command = norm.refresh),
side = "left")
tkpack(tkbutton(m, text = "Exit", command = function() tkdestroy(m)),
side = "right")
}
see.geocdf.tck<-function ()
{
# old.par <- par(no.readonly = TRUE)
if (!exists("slider.env"))
slider.env <- NULL; suppressWarnings(rm(slider.env)); slider.env <<- new.env()# Dummy to trick R CMD check
p <- 0.5
assign("p", tclVar(p), envir = slider.env)
xmin <- 0
assign("xmin", tclVar(xmin), envir = slider.env)
xmax <- 10
assign("xmax", tclVar(xmax), envir = slider.env)
dev.new(height=4,width=8);par(mar=c(4.4,4.5,1,0.5),cex=.85, oma = c(0,0,1.5,0)); layout(matrix(c(1,2), 1, 2, byrow = TRUE))
norm.refresh <- function(...) {
p <- as.numeric(evalq(tclvalue(p), envir = slider.env))
xmin <- as.numeric(evalq(tclvalue(xmin), envir = slider.env))
xmax <- as.numeric(evalq(tclvalue(xmax), envir = slider.env))
xx <- seq(xmin, xmax)
yy <- dgeom(xx,p)
y1 <- pgeom(xx,p)
dev.hold()
plot(xx, yy, type = "h", xlab=expression(italic(x)),ylab=expression(paste(italic(f),"(",italic(x),")", sep = "")))
points(xx, yy, pch =19)
plot(xx, y1, type = "n", xlab=expression(italic(x)),ylab=expression(paste(italic(F),"(",italic(x),")", sep = "")))
points(xx, y1, pch =19)
segments(xx, y1,xx+1,y1)
points(xx+1, y1, pch =1)
mtext(bquote(paste(italic(X), " ~ ", italic(GEO), "(", .(p), ")", sep = "")), outer = TRUE, side = 3, cex = .9)
dev.flush()
}
tclServiceMode(TRUE)
m <- tktoplevel()
tkwm.title(m, "GEO(\u03C0)")
tkpack(tklabel(m,text=" Visualizing the Geometric Distribution "))
tkwm.geometry(m, "+0+0")
tkpack(fr <- tkframe(m), side = "top")
tkpack(tklabel(fr, text = '\u03C0', font=c("Helvetica","9","italic"),width = "20"),
side = "right")
tkpack(sc <- tkscale(fr, command = norm.refresh, from = 0.01,
to = 1, orient = "horiz", resolution = 0.01, showvalue = TRUE),
side = "left")
assign("sc", sc, envir = slider.env)
evalq(tkconfigure(sc, variable = p), envir = slider.env)
tkpack(fr <- tkframe(m), side = "top")
tkpack(tklabel(fr, text = "Xmin:", width = 6), side = "left")
tkpack(e <- tkentry(fr, width = 8), side = "left")
assign("e", e, envir = slider.env)
evalq(tkconfigure(e, textvariable = xmin), envir = slider.env)
tkpack(tklabel(fr, text = "Xmax:", width = 6), side = "left")
tkpack(e <- tkentry(fr, width = 8), side = "left")
assign("e", e, envir = slider.env)
evalq(tkconfigure(e, textvariable = xmax), envir = slider.env)
tkpack(tkbutton(m, text = "Refresh", command = norm.refresh),
side = "left")
tkpack(tkbutton(m, text = "Exit", command = function() tkdestroy(m)),
side = "right")
# on.exit(par(old.par))
}
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