plot.riskRegression

Show predicted risk obtained by a risk prediction model as a function of
time.

survival

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

plot.riskRegression function

<dl><dt>x</dt>
<dd>Fitted object obtained with one of <code>ARR</code>, <code>LRR</code>,
<code>riskRegression</code>.</dd>
<dt>cause</dt>
<dd>For CauseSpecificCox models the cause of interest.</dd>
<dt>newdata</dt>
<dd>A data frame containing predictor variable combinations for
which to compute predicted risk.</dd>
<dt>xlab</dt>
<dd>See <code>plot</code></dd>
<dt>ylab</dt>
<dd>See <code>plot</code></dd>
<dt>xlim</dt>
<dd>See <code>plot</code></dd>
<dt>ylim</dt>
<dd>See <code>plot</code></dd>
<dt>lwd</dt>
<dd>A vector of line thicknesses for the regression coefficients.</dd>
<dt>col</dt>
<dd>A vector of colors for the regression coefficients.</dd>
<dt>lty</dt>
<dd>A vector of line types for the regression coefficients.</dd>
<dt>axes</dt>
<dd>Logical. If <code>FALSE</code> then do not draw axes.</dd>
<dt>percent</dt>
<dd>If true the y-axis is labeled in percent.</dd>
<dt>legend</dt>
<dd>If true draw a legend.</dd>
<dt>add</dt>
<dd>Logical. If <code>TRUE</code> then add lines to an existing plot.</dd>
<dt>...</dt>
<dd>Used for transclusion of smart arguments for <code>plot</code>,
<code>lines</code>, <code>axis</code> and <code>background</code>. See function
<code>SmartControl</code> from prodlim.</dd></dl>

Arguments

Thomas Alexander Gerds &lt;tag@biostat.ku.dk&gt;

Author

Plotting predicted risk — plot.riskRegression

<dl>

<dt>x</dt>
<dd>Fitted object obtained with one of <code>ARR</code>, <code>LRR</code>,
<code>riskRegression</code>.</dd>


<dt>cause</dt>
<dd>For CauseSpecificCox models the cause of interest.</dd>


<dt>newdata</dt>
<dd>A data frame containing predictor variable combinations for
which to compute predicted risk.</dd>


<dt>xlab</dt>
<dd>See <code>plot</code></dd>


<dt>ylab</dt>
<dd>See <code>plot</code></dd>


<dt>xlim</dt>
<dd>See <code>plot</code></dd>


<dt>ylim</dt>
<dd>See <code>plot</code></dd>


<dt>lwd</dt>
<dd>A vector of line thicknesses for the regression coefficients.</dd>


<dt>col</dt>
<dd>A vector of colors for the regression coefficients.</dd>


<dt>lty</dt>
<dd>A vector of line types for the regression coefficients.</dd>


<dt>axes</dt>
<dd>Logical. If <code>FALSE</code> then do not draw axes.</dd>


<dt>percent</dt>
<dd>If true the y-axis is labeled in percent.</dd>


<dt>legend</dt>
<dd>If true draw a legend.</dd>


<dt>add</dt>
<dd>Logical. If <code>TRUE</code> then add lines to an existing plot.</dd>


<dt>...</dt>
<dd>Used for transclusion of smart arguments for <code>plot</code>,
<code>lines</code>, <code>axis</code> and <code>background</code>. See function
<code>SmartControl</code> from prodlim.</dd>

</dl>

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plot.riskRegression: Plotting predicted risk

Description

Usage

Arguments

Author

Examples