Paquid

PAQUID is a prospective cohort study initiated in 1988 in South Western
France to explore functional and cerebral ageing. This sample includes
n=2561 subjects. Data contains a time-to-event, a type of event and
two cognitive scores measured at baseline.

datasets

Implementation of the following methods for event history analysis.
Risk regression models for survival endpoints also in the presence of competing
risks are fitted using binomial regression based on a time sequence of binary
event status variables. A formula interface for the Fine-Gray regression model
and an interface for the combination of cause-specific Cox regression models.
A toolbox for assessing and comparing performance of risk predictions (risk
markers and risk prediction models). Prediction performance is measured by the
Brier score and the area under the ROC curve for binary possibly time-dependent
outcome. Inverse probability of censoring weighting and pseudo values are used
to deal with right censored data. Lists of risk markers and lists of risk models
are assessed simultaneously. Cross-validation repeatedly splits the data, trains
the risk prediction models on one part of each split and then summarizes and
compares the performance across splits.

Thomas Alexander Gerds

riskRegression

Risk Regression Models and Prediction Scores for Survival
Analysis with Competing Risks

Johan Sebastian Ohlendorff

Paul Blanche

Rikke Mortensen

Marvin Wright

Nikolaj Tollenaar

John Muschelli

Ulla Brasch Mogensen

Brice Ozenne

Paquid function

A data frame with 2561 observations on the following 4 variables.<dl>
<dt><code>time</code></dt>
<dd>the time-to-event (in years).</dd><dt><code>status</code></dt>
<dd>the type of event <code>0</code> = censored, <code>1</code> = dementia onset and <code>2</code> = death without dementia.</dd><dt><code>DSST</code></dt>
<dd>score at the Digit Symbol Substitution Score Test. This test explores attention and psychomotor speed.</dd><dt><code>MMSE</code></dt>
<dd>score at the Mini Mental State Examination. This test is often used as an index of global cognitive performance.</dd>
</dl>

Format

Paquid sample — Paquid

A data frame with 2561 observations on the following 4 variables.<dl>
<dt><code>time</code></dt>
<dd>the time-to-event (in years).</dd>

<dt><code>status</code></dt>
<dd>the type of event <code>0</code> = censored, <code>1</code> = dementia onset and <code>2</code> = death without dementia.</dd>

<dt><code>DSST</code></dt>
<dd>score at the Digit Symbol Substitution Score Test. This test explores attention and psychomotor speed.</dd>

<dt><code>MMSE</code></dt>
<dd>score at the Mini Mental State Examination. This test is often used as an index of global cognitive performance.</dd>


</dl>

Paquid sample

Paquid: Paquid sample

Description

Arguments

Format

References

Examples