pbc2

Based on random forest principle, 'DynForest' is able to include
multiple longitudinal predictors to provide individual predictions.
Longitudinal predictors are modeled through the random forest. The
methodology is fully described for a survival outcome in:
Devaux, Helmer, Genuer & Proust-Lima (2023)
<doi: 10.1177/09622802231206477>.

Anthony Devaux

DynForest

Random Forest with Multivariate Longitudinal Predictors

Robin Genuer

Cécile Proust-Lima

Louis Capitaine

pbc2 function

Longitudinal dataset with 1945 rows and 19 columns for 312 patients<dl>
<dt>id</dt>
<dd>Patient identifier</dd><dt>time</dt>
<dd>Time measurement</dd><dt>ascites</dt>
<dd>Presence of ascites (Yes/No)</dd><dt>hepatomegaly</dt>
<dd>Presence of hepatomegaly (Yes/No)</dd><dt>spiders</dt>
<dd>Blood vessel malformations in the skin (Yes/No)</dd><dt>edema</dt>
<dd>Edema levels (No edema/edema no diuretics/edema despite diuretics)</dd><dt>serBilir</dt>
<dd>Level of serum bilirubin</dd><dt>serChol</dt>
<dd>Level of serum cholesterol</dd><dt>albumin</dt>
<dd>Level of albumin</dd><dt>alkaline</dt>
<dd>Level of alkaline phosphatase</dd><dt>SGOT</dt>
<dd>Level of aspartate aminotransferase</dd><dt>platelets</dt>
<dd>Platelet count</dd><dt>prothrombin</dt>
<dd>Prothrombin time</dd><dt>histologic</dt>
<dd>Histologic stage of disease</dd><dt>drug</dt>
<dd>Drug treatment (D-penicillmain/Placebo)</dd><dt>age</dt>
<dd>Age at enrollment</dd><dt>sex</dt>
<dd>Sex of patient</dd><dt>years</dt>
<dd>Time-to-event in years</dd><dt>event</dt>
<dd>Event indicator: 0 (alive), 1 (transplanted) and 2 (dead)</dd>
</dl>

Format

pbc2 dataset — pbc2

Longitudinal dataset with 1945 rows and 19 columns for 312 patients<dl>
<dt>id</dt>
<dd>Patient identifier</dd>

<dt>time</dt>
<dd>Time measurement</dd>

<dt>ascites</dt>
<dd>Presence of ascites (Yes/No)</dd>

<dt>hepatomegaly</dt>
<dd>Presence of hepatomegaly (Yes/No)</dd>

<dt>spiders</dt>
<dd>Blood vessel malformations in the skin (Yes/No)</dd>

<dt>edema</dt>
<dd>Edema levels (No edema/edema no diuretics/edema despite diuretics)</dd>

<dt>serBilir</dt>
<dd>Level of serum bilirubin</dd>

<dt>serChol</dt>
<dd>Level of serum cholesterol</dd>

<dt>albumin</dt>
<dd>Level of albumin</dd>

<dt>alkaline</dt>
<dd>Level of alkaline phosphatase</dd>

<dt>SGOT</dt>
<dd>Level of aspartate aminotransferase</dd>

<dt>platelets</dt>
<dd>Platelet count</dd>

<dt>prothrombin</dt>
<dd>Prothrombin time</dd>

<dt>histologic</dt>
<dd>Histologic stage of disease</dd>

<dt>drug</dt>
<dd>Drug treatment (D-penicillmain/Placebo)</dd>

<dt>age</dt>
<dd>Age at enrollment</dd>

<dt>sex</dt>
<dd>Sex of patient</dd>

<dt>years</dt>
<dd>Time-to-event in years</dd>

<dt>event</dt>
<dd>Event indicator: 0 (alive), 1 (transplanted) and 2 (dead)</dd>


</dl>

pbc2: pbc2 dataset

Description

Arguments

Format

Examples