Teeth500 {pseudoCure} | R Documentation |
Dental data for illustration
Description
Data on the survival of teeth with many predictors
Usage
data(Teeth500)
Format
A data frame containing the following variables:
- time
tooth survival time subject to right censoring.
- event
Tooth loss status: 1 = lost, 0 = not lost.
- molar
Molar indicator; 1 = molar tooth, 0 = non-molar tooth.
- mobil
Mobility score, on a scale from 0 to 5.
- bleed
Bleeding on probing, expressed as a percentage.
- plaque
Plaque score, expressed as a percentage.
Periodontal probing depth.
- cal
Clinical Attachment Level.
- fgm
Free Gingival Margin.
- filled
Number of filled surfaces.
- decay_new
New decayed surfaces.
- decay_recur
Recurrent decayed surfaces.
- crown
Crown indicator; 1 = tooth has a crown, 0 = no crown.
- endo
Endodontic therapy indicator; 1 = endo therapy performed, 0 = no endo therapy.
- filled_tooth
Filled tooth indicator; 1 = filled, 0 = not filled.
- decayed_tooth
Decayed tooth indicator; 1 = decayed, 0 = not decayed.
- total_tooth
Total number of teeth.
- gender
Gender; 1 = male, 0 = female
- diabetes
Diabetes indicator; 1 = diabetes, 0 = no diabetes.
- tobacco_ever
Tobacco use indicator; 1 = had tobacco use, 0 = never had tobacco use.
A data frame with 500 observations and 20 variables.
Details
The data is a subset of the original dataset included in the MST
package
under the name Teeth
.
This subset contains the time to the first tooth loss due to periodontal reasons.
References
Calhoun, Peter and Su, Xiaogang and Nunn, Martha and Fan, Juanjuan (2018) Constructing Multivariate Survival Trees: The MST Package for R. Journal of Statistical Software, 83(12).