Description Usage Arguments Details Value Author(s) References Examples
Create scatter plot with imputed survival times.
1 | scatterplot(formula, data, horizon, plot = TRUE, xlab)
|
formula |
Formula for prediction model to be used as in
|
data |
Data set in which to interpret the formula |
horizon |
The horizon, maximum value to be imputed in case of censored observations; default is 1.05 times largest event time |
plot |
Should the tolerance plot actually be plotted? Default is
|
xlab |
Label for x-axis |
Imputation is used for censored survival times.
A data frame with columns
x |
Predictor (centered at zero) |
imputed |
(Imputed) survival time |
and with attribute "horizon"
(copied from input or default).
Hein Putter H.Putter@lumc.nl
Royston P (2001), The lognormal distribution as a model for survival time in cancer, with an emphasis on prognostic factors, Statistica Neerlandica 55, 89-104.
van Houwelingen HC, Putter H (2012). Dynamic Prediction in Clinical Survival Analysis. Chapman & Hall.
1 2 | data(ova)
scatterplot(Surv(tyears, d) ~ Karn + Broders + FIGO + Ascites + Diam, data = ova)
|
Loading required package: survival
x imputed
1 0.646116141 0.96712374
2 -0.272525041 2.66575332
3 -0.160811663 1.05479398
4 0.236090645 0.68219291
5 -0.003220693 4.72054856
6 0.356721095 0.41917974
7 0.396104763 0.88219055
8 -0.781353647 6.16191718
9 0.565175875 1.47945194
10 -0.832984837 6.16191718
11 0.317039340 0.45753364
12 0.190646897 0.94246708
13 0.490265775 1.73972685
14 -0.336460817 2.83835614
15 0.185641207 5.00821909
16 -0.259127998 1.39452054
17 -0.850838925 6.16191718
18 -0.659758402 2.98082243
19 1.086096147 0.90958928
20 0.011233020 1.63561781
21 0.239005001 6.16191718
22 -0.402669346 6.16191718
23 0.010268226 6.16191718
24 -1.172760555 6.16191718
25 0.500331938 0.35616441
26 0.673558373 1.29862983
27 1.034464956 0.52328814
28 0.506392448 2.74794625
29 0.689193839 1.88218972
30 -0.260309750 6.16191718
31 -0.312905735 1.16986219
32 0.529947530 2.13424599
33 0.243242881 0.75342352
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35 0.912869712 1.91232914
36 0.139920857 5.16164409
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47 1.033500162 0.44109518
48 -1.044854673 5.86849255
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52 0.443935781 0.08219248
53 0.010268226 0.40000226
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55 0.131863470 3.32876815
56 -0.160811663 1.46301272
57 0.765564839 0.18082221
58 0.009868428 2.38629944
59 -0.579296155 3.73972663
60 0.317039340 1.15342518
61 0.274109721 1.24931339
62 -0.509810877 1.25479422
63 0.010268226 1.14246657
64 0.817196029 2.27397113
65 0.236090645 1.95890431
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133 -0.825907888 6.16191718
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135 1.112017709 0.86301307
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328 -1.099375258 6.16191718
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358 -0.871628238 1.61095975
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