Dear Francisco and All:
 
Following is the source code to create figure 4.18 from MASS (4th).
 
library(MASS)
library(lattice)
if(F) { # no data supplied
xyplot(ratio ~ scant | subject, data = A5,
      xlab = "scan interval (years)",
      ylab = "ventricle/brain volume normalized to 1 at start",
      subscripts = T, ID = A5$ID,
      strip = function(factor, ...)
         strip.default(..., factor.levels = labs, style = 1),
      layout = c(8, 5, 1),
      skip = c(rep(FALSE, 37), rep(TRUE, 1), rep(FALSE, 1)),
      panel = function(x, y, subscripts, ID) {
          panel.xyplot(x, y, type = "b", cex = 0.5)
          which <- unique(ID[subscripts])
          panel.xyplot(c(0, 1.5), pr3[names(pr3) == which],
                       type = "l", lty = 3)
          if(which == 303 || which == 341) points(1.4, 1.3)
      })
}

But there is no data set available for that, I can't figure out many stuff. So I provide my data set, hope you can help me.
 
In my data set, there are 3 group patients, and 5 patients in each group. The mds are the repeat measurements on month. I want draw a xyplot with 3 lines, each line for a group. 
 
 
Many thanks
 
Zhongming Yang
 
 


"Francisco J. Zagmutt" <gerifalte28@hotmail.com> wrote:
Dear Zhongming,

By asking for the figure in the book you are restricting you question to 
only the people that has the 4th edition. I would love to help you but 
unfortunatelly I have the 3rd edition of MASS and there is no figure 4.18 
since chapter 4 is "Programming in S". Please give us an idea of what you 
want to do and we might be able to help you without looking at the book.

Cheers

Francisco

>From: Zhongming Yang 
>To: r-help@stat.math.ethz.ch
>Subject: [R] how to draw xyplot figure like figure 4.18 of MASS (4th) ? 
>Date: Wed, 16 Mar 2005 08:07:21 -0800 (PST)
>
>Dear All:
>
>Could you please tell me how I can draw figure formatted like figure 4.18 
>of MASS (4th) with the attached data set?
>
>Thanks
>
>Zhongming Yang
>
>
>
>---------------------------------
>
> md idno month group
> -0.090 521 0.000000 NN
> -1.330 521 12.460274 NN
> -0.570 521 14.991781 NN
> -2.130 559 0.000000 NN
> -0.920 559 3.978082 NN
> -1.730 559 6.016438 NN
> -2.390 559 9.665753 NN
> -1.300 559 12.460274 NN
> -2.170 559 15.682192 NN
> -2.620 559 17.950685 NN
> -1.830 559 21.664406 NN
> -3.090 559 25.533258 NN
> -2.760 559 30.811947 NN
> -1.240 559 33.830137 NN
> -0.650 559 36.394521 NN
> -1.200 559 38.893151 NN
> -1.320 559 42.147945 NN
> -2.000 559 45.600000 NN
> -2.150 559 48.328767 NN
> -1.430 559 52.569863 NN
> -2.650 559 56.120548 NN
> -0.870 559 60.032877 NN
> -1.920 559 63.550685 NN
> -2.320 559 65.786301 NN
> -2.640 559 68.547945 NN
> -2.030 559 71.533258 NN
> -1.900 559 75.500472 NN
> -1.420 559 78.254570 NN
> -1.330 559 81.863014 NN
> -2.120 559 84.657534 NN
> -2.400 559 86.926027 NN
> -2.410 559 90.147945 NN
> -3.370 559 93.369863 NN
> -0.720 559 96.624658 NN
> -2.075 598 0.000000 NN
> -2.260 598 3.484932 NN
> -2.150 598 5.917808 NN
> -1.420 598 9.828879 NN
> -1.490 598 12.353470 NN
> -3.040 598 16.025601 NN
> -1.960 598 18.845273 NN
> -2.780 598 22.224658 NN
> -3.310 598 24.591781 NN
> -4.420 598 27.517808 NN
> -1.890 598 30.312329 NN
> -3.000 598 33.304110 NN
> -2.260 598 36.065753 NN
> -0.730 598 40.010959 NN
> -2.710 598 43.232877 NN
> -2.430 598 45.994521 NN
> -1.050 598 49.183562 NN
> -2.190 598 52.438356 NN
> -0.580 598 54.969863 NN
> -2.050 598 57.501011 NN
> -1.480 598 60.681338 NN
> -0.960 598 63.664945 NN
> -2.090 598 66.419043 NN
> -3.180 598 69.435616 NN
> -1.230 598 72.394521 NN
> -2.170 598 74.761644 NN
> -2.400 598 78.378082 NN
> -3.630 598 81.698630 NN
> -2.100 598 84.920548 NN
> -3.940 598 87.156164 NN
> -3.780 598 90.378082 NN
> -5.690 598 95.967123 NN
> -13.525 622 0.000000 NN
> -12.670 622 3.680934 NN
> -13.500 622 7.123557 NN
> -13.700 622 9.910442 NN
> -11.260 622 12.926836 NN
> -12.100 622 15.846575 NN
> -13.400 622 18.410959 NN
> -12.330 622 21.435616 NN
> -12.940 622 24.197260 NN
> -12.540 622 27.156164 NN
> -12.550 622 29.917808 NN
> -11.900 622 33.830137 NN
> -11.640 622 36.394521 NN
> -12.100 622 38.893151 NN
> -11.010 622 41.457534 NN
> -12.050 622 46.684932 NN
> -12.650 622 50.136986 NN
> -11.620 622 54.303885 NN
> -12.150 622 58.303885 NN
> -12.990 622 60.959623 NN
> -12.590 622 63.912329 NN
> -13.570 622 66.936986 NN
> -12.480 622 69.336986 NN
> -12.800 622 72.263014 NN
> -12.640 622 75.452055 NN
> -13.830 622 81.073973 NN
> -13.250 622 84.295890 NN
> -13.700 622 90.213699 NN
> -13.250 622 96.197260 NN
> -2.190 801 0.000000 NN
> -1.250 801 2.663014 NN
> -1.550 801 5.589041 NN
> -1.570 801 8.575612 NN
> -0.880 801 11.755940 NN
> -0.230 801 15.428071 NN
> -0.770 801 17.985448 NN
> -1.050 801 20.975342 NN
> -2.260 801 24.394521 NN
> -2.760 801 27.715068 NN
> -1.550 801 29.950685 NN
> -2.330 801 34.093151 NN
> -1.390 801 36.394521 NN
> -2.090 801 39.353425 NN
> -3.050 801 41.917808 NN
> -1.930 801 44.646575 NN
> -4.040 801 48.328767 NN
> -3.260 801 51.780822 NN
> -2.810 801 54.115068 NN
> -0.660 801 57.395284 NN
> -1.800 801 62.903481 NN
> -1.540 801 65.755940 NN
> -0.880 801 69.567123 NN
> -2.000 801 73.117808 NN
> -1.610 801 76.142466 NN
> -4.360 801 79.463014 NN
> -3.200 801 80.712329 NN
> -3.080 801 83.013699 NN
> -2.350 801 88.306849 NN
> -3.170 801 89.917808 NN
> -3.570 801 95.342466 NN
> -3.300 525 0.000000 TP
> -2.500 525 2.991781 TP
> -5.480 525 5.917808 TP
> -1.140 525 8.712329 TP
> -2.260 525 11.967123 TP
> -0.670 525 14.926027 TP
> -0.630 525 17.950685 TP
> -0.600 525 21.336986 TP
> -1.870 525 24.427397 TP
> -1.790 525 26.860274 TP
> -3.640 525 30.771345 TP
> -2.860 525 33.328722 TP
> -2.140 525 37.197575 TP
> -1.560 525 39.787739 TP
> -0.360 525 42.542466 TP
> -1.900 525 45.304110 TP
> -1.190 525 48.032877 TP
> -3.090 525 51.024658 TP
> -2.620 525 53.786301 TP
> -1.360 525 58.126027 TP
> -1.130 525 60.953425 TP
> -1.390 525 64.142466 TP
> -0.270 525 66.904110 TP
> -1.640 525 69.665753 TP
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> -1.650 525 99.320548 TP
> -2.625 527 0.000000 TP
> -2.370 527 2.991781 TP
> 0.050 527 6.180822 TP
> -0.270 527 9.041096 TP
> 1.060 527 11.736986 TP
> -3.030 527 15.221918 TP
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> -1.910 527 24.361644 TP
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> -3.310 527 33.355940 TP
> -2.280 527 35.847743 TP
> -1.860 527 39.290366 TP
> -5.050 527 42.345205 TP
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> -1.850 527 50.630137 TP
> -4.010 527 53.621918 TP
> -4.520 527 56.383562 TP
> -3.820 527 60.000000 TP
> -6.440 527 65.293151 TP
> -4.600 527 68.350685 TP
> -5.280 527 71.802740 TP
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> -5.080 527 78.175612 TP
> -8.550 527 80.831350 TP
> -4.900 527 84.601841 TP
> -11.620 527 87.585448 TP
> -6.090 527 91.956164 TP
> -7.120 527 95.408219 TP
> -6.365 570 0.000000 TP
> -6.100 570 2.761644 TP
> -4.950 570 5.983562 TP
> -5.530 570 9.205479 TP
> -3.640 570 11.967123 TP
> -3.330 570 15.879452 TP
> -4.950 570 18.310442 TP
> -5.250 570 21.392410 TP
> -5.540 570 24.376016 TP
> -4.300 570 27.359623 TP
> -4.530 570 29.884932 TP
> -5.970 570 32.646575 TP
> -4.950 570 37.019178 TP
> -5.090 570 39.320548 TP
> -4.000 570 42.312329 TP
> -6.160 570 45.073973 TP
> -6.490 570 49.216438 TP
> -4.890 570 52.668493 TP
> -6.620 570 56.350685 TP
> -7.010 570 61.183562 TP
> -7.290 570 63.978082 TP
> -6.440 570 66.736672 TP
> -7.950 570 69.917000 TP
> -7.570 570 73.130115 TP
> -8.150 570 76.113721 TP
> -8.090 570 78.805479 TP
> -9.670 570 82.553425 TP
> -9.480 570 86.169863 TP
> -9.120 570 90.147945 TP
> -11.330 570 97.019178 TP
> -3.750 615 0.000000 TP
> -3.510 615 3.287671 TP
> -4.160 615 5.848641 TP
> -5.170 615 9.651920 TP
> -4.600 615 12.438805 TP
> -5.940 615 15.619133 TP
> -6.270 615 18.608219 TP
> -4.690 615 21.632877 TP
> -7.820 615 24.361644 TP
> -5.940 615 27.189041 TP
> -5.680 615 30.180822 TP
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> -5.130 615 36.854795 TP
> -6.630 615 39.386301 TP
> -7.450 615 41.917808 TP
> -7.290 615 45.369863 TP
> -9.590 615 48.361644 TP
> -9.700 615 51.353425 TP
> -9.570 615 54.799461 TP
> -9.840 615 57.783068 TP
> -9.800 615 60.766674 TP
> -11.000 615 63.291264 TP
> -11.360 615 66.805479 TP
> -10.860 615 69.731507 TP
> -10.610 615 72.493151 TP
> -12.180 615 78.706849 TP
> -12.570 615 84.690411 TP
> -13.280 615 90.213699 TP
> -15.720 615 96.197260 TP
> 0.375 818 0.000000 TP
> 1.640 818 2.491803 TP
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> -9.980 818 89.071278 TP
> -4.540 535 0.000000 SN
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