prepare_data_discr

Utilities to estimate parameters of the models with survival functions
induced by stochastic covariates. Miscellaneous functions for data preparation
and simulation are also provided. For more information, see:
(i)"Stochastic model for analysis of longitudinal data on aging and mortality"
by Yashin A. et al. (2007),
Mathematical Biosciences, 208(2), 538-551, <DOI:10.1016/j.mbs.2006.11.006>;
(ii) "Health decline, aging and mortality: how are they related?"
by Yashin A. et al. (2007),
Biogerontology 8(3), 291(302), <DOI:10.1007/s10522-006-9073-3>.

Ilya Y Zhbannikov

stpm

Stochastic Process Model for Analysis of Longitudinal and
Time-to-Event Outcomes

prepare_data_discr function

<dl><dt>merged.data</dt>
<dd>a longitudinal study dataset.</dd>
<dt>interval</dt>
<dd>interval between observations.</dd>
<dt>col.status.ind</dt>
<dd>index of "status" column.</dd>
<dt>col.id.ind</dt>
<dd>subject id column index.</dd>
<dt>col.age.ind</dt>
<dd>index of the age column.</dd>
<dt>col.age.event.ind</dt>
<dd>an index of the column which represents the time in which event occured.</dd>
<dt>col.covar.ind</dt>
<dd>a set of column indexes which represent covariates.</dd>
<dt>verbose</dt>
<dd>turns on/off verbosing output.
Filling the last cell</dd></dl>

Arguments

Prepares discrete-time dataset. — prepare_data_discr

<dl>

<dt>merged.data</dt>
<dd>a longitudinal study dataset.</dd>


<dt>interval</dt>
<dd>interval between observations.</dd>


<dt>col.status.ind</dt>
<dd>index of "status" column.</dd>


<dt>col.id.ind</dt>
<dd>subject id column index.</dd>


<dt>col.age.ind</dt>
<dd>index of the age column.</dd>


<dt>col.age.event.ind</dt>
<dd>an index of the column which represents the time in which event occured.</dd>


<dt>col.covar.ind</dt>
<dd>a set of column indexes which represent covariates.</dd>


<dt>verbose</dt>
<dd>turns on/off verbosing output.
Filling the last cell</dd>

</dl>

prepare_data_discr: Prepares discrete-time dataset.

Description

Usage

Arguments