# RE: [R] how to draw xyplot figure like figure 4.18 of MASS (4th) ?

From: Francisco J. Zagmutt <gerifalte28_at_hotmail.com>
Date: Thu 17 Mar 2005 - 07:27:51 EST

Ups, one mistake! Change the second line of the code from library(lattice) to attach(d), so you get:

attach(d)
plot(month,md, col = c('red','blue','black'), type='p')

```lines(lowess(d[group=='NN',1]), col = 'red')
lines(lowess(d[group=='SN',1]), col = 'blue')
lines(lowess(d[group=='TP',1]),col = 'black')

```

par(mfrow = c(2, 2))

```plot(d[group=='NN','month'],d[group=='NN','md'], col = 'red', type='p')
lines(lowess(d[group=='NN',1]), col = 'red')
plot(d[group=='SN','month'],d[group=='SN','md'], col = 'blue', type='p')
lines(lowess(d[group=='SN',1]), col = 'blue')
plot(d[group=='TP','month'],d[group=='TP','md'], col = 'black', type='p')
lines(lowess(d[group=='TP',1]), col = 'black')

```

Francisco

>From: Zhongming Yang <zhongmingyang@yahoo.com>
>To: "Francisco J. Zagmutt" <gerifalte28@hotmail.com>,
>r-help@stat.math.ethz.ch
>Subject: RE: [R] how to draw xyplot figure like figure 4.18 of MASS (4th) ?
>Date: Wed, 16 Mar 2005 09:01:07 -0800 (PST)
>
>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
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> > -12.590 622 63.912329 NN
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> > -12.480 622 69.336986 NN
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> > -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
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> > -0.230 801 15.428071 NN
> > -0.770 801 17.985448 NN
> > -1.050 801 20.975342 NN
> > -2.260 801 24.394521 NN
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> > -1.550 801 29.950685 NN
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> > -1.390 801 36.394521 NN
> > -2.090 801 39.353425 NN
> > -3.050 801 41.917808 NN
> > -1.930 801 44.646575 NN
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> > -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
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> > -6.440 570 66.736672 TP
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> > -7.570 570 73.130115 TP
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> > -4.260 583 96.230137 SN
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