Simulated data for survival modelling

Donated on 12/3/2018

A variety of survival data, with carefully controlled event and censor rates, is available to allow people to develop and test new approaches to survival modelling.

Dataset Characteristics

Multivariate, Time-Series

Subject Area

Other

Associated Tasks

Regression

Feature Type

Integer, Real

# Instances

120000

# Features

25

Dataset Information

Additional Information

We generated two batches of data, where each batch consists of 20 datasets. For the low dimensional batch, we used 5 predictive parameters, of which 2 were dummy parameters (i.e. had no impact) and three were predictive. For the medium dimension batch, we used 25 predictors, of which 2 were dummy and 23 predictive. In each batch, we varied the event rate from 10% to 70% and the censor rate from 0% to 70% in 20% steps, and used a set population size of 3000. This therefore led to two batches, each of 20 datasets of 3000 subjects.

Has Missing Values?

Yes

Variable Information

For the low dimensional batch: x.0 & Binary: with equal probabilities x.1 & Gaussian: μ = 50, σ = 15 x.2 & Uniform: [1,2,3,4] x.3 & Binary: 0.6 chance of 0 x.4 & Uniform: [1,2,3] For the medium dimension batch: x.0 & Binary: with equal probabilities x.1 & Gaussian: μ = 50, σ = 15 x.2 & Uniform: [1,2,3,4] x.3 & Binary: 0.6 chance of 0 x.4 & Uniform: [1,2,3] x.5 & Binary: 0.95 chance of 0 x.6 & Binary: 0.9 chance of 0 x.7 & Binary: 0.85 chance of 0 x.8 & Binary: 0.8 chance of 0 x.9 & Binary: 0.75 chance of 0 x.10 & Binary: 0.7 chance of 0 x.11 & Binary: 0.65 chance of 0 x.12 & Binary: 0.6 chance of 0 x.13 & Binary: 0.55 chance of 0 x.14 & Binary: 0.5 chance of 0 x.15 & Binary: 0.5 chance of 0 x.16 & Binary: 0.45 chance of 0 x.17 & Binary: 0.4 chance of 0 x.18 & Binary: 0.35 chance of 0 x.19 & Binary: 0.3 chance of 0 x.20 & Binary: 0.25 chance of 0 x.21 & Binary: 0.2 chance of 0 x.22 & Binary: 0.15 chance of 0 x.23 & Binary: 0.1 chance of 0 x.24 & Binary: 0.05 chance of 0

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