get_intervals

get_intervals.default

Information on intervals in which times fall

The Piece-wise exponential (Additive Mixed) Model
(PAMM; Bender and others (2018) <doi: 10.1177/1471082X17748083>) is a
powerful model class for the analysis of survival (or time-to-event) data,
based on Generalized Additive (Mixed) Models (GA(M)Ms).
It offers intuitive specification and robust estimation of complex survival
models with stratified baseline hazards, random effects, time-varying effects,
time-dependent covariates and cumulative effects (Bender and others (2019)),
as well as support for left-truncated data as well as competing risks,
recurrent events and multi-state settings.
pammtools provides tidy workflow for survival analysis with PAMMs,
including data simulation, transformation and other functions for data
preprocessing and model post-processing as well as visualization.

Andreas Bender

pammtools

Piece-Wise Exponential Additive Mixed Modeling Tools for
Survival Analysis

Fabian Scheipl

Johannes Piller

Philipp Kopper

Lukas Burk

get_intervals function

<dl><dt>x</dt>
<dd>An object from which interval information can be obtained,
see <code>int_info</code>.</dd>
<dt>times</dt>
<dd>A vector of times for which corresponding interval information
should be returned.</dd>
<dt>...</dt>
<dd>Further arguments passed to <code><a href="/link/findInterval?package=pammtools&version=0.7.3" data-mini-rdoc="pammtools::findInterval">findInterval</a></code>.</dd>
<dt>left.open</dt>
<dd>logical; if true all the intervals are open at left
 and closed at right; in the formulas below, \(\le\) should be
 swapped with \(&lt;\) (and \(&gt;\) with \(\ge\)), and
 <code>rightmost.closed</code> means &#8216;leftmost is closed&#8217;. This may
 be useful, e.g., in survival analysis computations.</dd>
<dt>rightmost.closed</dt>
<dd>logical; if true, the rightmost interval,
 <code>vec[N-1] .. vec[N]</code> is treated as closed, see below.</dd></dl>

Arguments

Information on intervals in which times fall — get_intervals

<dl>

<dt>x</dt>
<dd>An object from which interval information can be obtained,
see <code>int_info</code>.</dd>


<dt>times</dt>
<dd>A vector of times for which corresponding interval information
should be returned.</dd>


<dt>...</dt>
<dd>Further arguments passed to <code><a href='https://rdrr.io/r/base/findInterval.html'>findInterval</a></code>.</dd>


<dt>left.open</dt>
<dd>logical; if true all the intervals are open at left
 and closed at right; in the formulas below, \(\le\) should be
 swapped with \(&lt;\) (and \(&gt;\) with \(\ge\)), and
 <code>rightmost.closed</code> means &#8216;leftmost is closed&#8217;. This may
 be useful, e.g., in survival analysis computations.</dd>


<dt>rightmost.closed</dt>
<dd>logical; if true, the rightmost interval,
 <code>vec[N-1] .. vec[N]</code> is treated as closed, see below.</dd>

</dl>

get_intervals: Information on intervals in which times fall

Description

Usage

Value

Arguments

See Also

Examples