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# 2-dimensionale Dichteschaetzung:
library(MASS) attach(geyser) pdf("geyser1.pdf",width=5,height=5) par(mar=c(4,4,1,1)) plot(duration,waiting,xlim = c(0.5,6), ylim = c(40,100), xlab="Dauer der Eruption (in Minuten)",ylab="Wartezeit zur nächsten Eruption (in Minuten)", cex.lab=1.2) dev.off() | |
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# 2-dimensionale Dichteschaetzung:
library(MASS) attach(geyser) f2 <- kde2d(duration, waiting, n = 50, lims = c(0.5, 6, 40, 100), h = c(width.SJ(duration), width.SJ(waiting)) ) pdf("geyser2.pdf",width=5,height=5) par(mar=c(4,4,1,1)) image(f2, zlim = c(0, 0.05),col=gray(seq(0.3,1,by=0.01)), xlim = c(0.5,6), ylim = c(40,100), xlab="Dauer der Eruption (in Minuten)",ylab="Wartezeit zur nächsten Eruption (in Minuten)", cex.lab=1.2) dev.off() | |
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# 2-dimensionale Dichteschaetzung:
library(MASS) attach(geyser) f2 <- kde2d(duration, waiting, n = 50, lims = c(0.5, 6, 40, 100), h = c(width.SJ(duration), width.SJ(waiting)) ) pdf("geyser3.pdf",width=5,height=5) par(mar=c(4,4,1,1)) contour(f2,levels = c(0.001, 0.005, 0.01, 0.02, 0.04), xlim = c(0.5,6), ylim = c(40,100), xlab="Dauer der Eruption (in Minuten)",ylab="Wartezeit zur nächsten Eruption (in Minuten)", cex.lab=1.2) dev.off() | |
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# 2-dimensionale Dichteschaetzung:
library(MASS) attach(geyser) f2 <- kde2d(duration, waiting, n = 50, lims = c(0.5, 6, 40, 100), h = c(width.SJ(duration), width.SJ(waiting)) ) pdf("geyser4.pdf",,width=5,height=5) par(mar=c(4,4,1,1)) persp(f2, phi = 30, theta = 20, d = 5, xlim = c(0.5,6), ylim = c(40,100), xlab="Dauer der Eruption",ylab="Wartezeit zur nächsten Eruption", zlab="Dichteschätzung",cex.lab=1.2) dev.off() # oder "Animation" par(mar=c(4,4,1,1)) for (i in 1:180){ persp(f2, phi = i, theta = 20, d = 5, xlim = c(0.5,6), ylim = c(40,100), xlab="Dauer der Eruption",ylab="Wartezeit zur nächsten Eruption", zlab="Dichteschätzung",cex.lab=1.2) Sys.sleep(0.4) } detach("geyser") |