Dear All,
While using the R survivalROC function on my data I got TP's that were greater than 1. Please advise where the problem may lie.
I attached my printout for your convenience:
$cut.values
[1] -Inf -2.0392992 -1.6639958 -1.4763441 -1.2886924 -1.1010407 -0.9133890 -0.7257373 -0.5380856 -0.3504339
[11] -0.1627822 0.0248695 0.2125212 0.4001729 0.5878246 0.7754763 0.9631280 1.1507797 1.3384314 1.5260831
[21] 1.7137348 1.9013865 2.0890382 2.8396451 3.2149485
$TP
[1] 1.00000000 1.00373900 0.99018323 0.99829624 0.98992139 1.00005297 1.01080076 1.00710510 1.01966745 1.01071444
[11] 0.98560138 0.94548627 0.91418073 0.75007299 0.70314998 0.62260339 0.50940277 0.45280246 0.39620216 0.33960185
[21] 0.16980092 0.11320062 0.05660031 0.00000000 0.00000000
$FP
[1] 1.00000000 0.98368249 0.91081649 0.87800974 0.81904904 0.75508366 0.70625802 0.66133830 0.61202195 0.52260485
[11] 0.33041327 0.28003606 0.15074461 0.08797951 0.07005610 0.06122550 0.06122550 0.06122550 0.04591913 0.03061275
[21] 0.03061275 0.03061275 0.01530638 0.01530638 0.00000000
$predict.time
[1] 36
$Survival
[1] 0.7871356
$AUC
[1] 0.9242652
Thank You,
Benjy
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Benjamin A. Levinson, PhD
NYU School of Medicine
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