nhdat

A structured subset of the 2009 to 2010 NHANES data designed for illustrating constrained survey estimation methods.

Domain mean estimation with monotonicity or block monotone constraints. See Xu X, Meyer MC and Opsomer JD (2021)<doi:10.1016/j.jspi.2021.02.004> for more details.

Xiyue Liao

csurvey

Constrained Regression for Survey Data

nhdat function

A data frame with 1,680 observations on the following 7 variables:<dl>
 <dt><code>id</code></dt>
<dd>Cluster identifier derived from NHANES sequence number (<code>SEQN</code>).</dd> <dt><code>chol</code></dt>
<dd>Binary indicator of high total cholesterol: 1 if total cholesterol &gt; 200 mg/dL, 0 otherwise. Derived from <code>LBXTC</code> in <code>TCHOL_F.XPT</code>.</dd> <dt><code>wcat</code></dt>
<dd>Four-level ordinal variable for waist to height ratio category, based on <code>BMXWAIST</code> and <code>BMXHT</code> from <code>BMX_F.XPT</code>.</dd> <dt><code>gender</code></dt>
<dd>Gender of the participant (1 = male, 2 = female), from <code>RIAGENDR</code> in <code>DEMO_F.XPT</code>.</dd> <dt><code>age</code></dt>
<dd>Age in years (continuous), from <code>RIDAGEYR</code> in <code>DEMO_F.XPT</code>.</dd> <dt><code>wt</code></dt>
<dd>Sampling weight within strata, based on <code>WTINT2YR</code> from <code>DEMO_G.XPT</code>.</dd> <dt><code>str</code></dt>
<dd>Stratum identifier, based on <code>SDMVPSU</code> from <code>DEMO_G.XPT</code>.</dd>
</dl>

Format

Subset of NHANES 2009 to 2010 Data for Constrained Survey Analysis — nhdat

A data frame with 1,680 observations on the following 7 variables:<dl>
 <dt><code>id</code></dt>
<dd>Cluster identifier derived from NHANES sequence number (<code>SEQN</code>).</dd>

 <dt><code>chol</code></dt>
<dd>Binary indicator of high total cholesterol: 1 if total cholesterol &gt; 200 mg/dL, 0 otherwise. Derived from <code>LBXTC</code> in <code>TCHOL_F.XPT</code>.</dd>

 <dt><code>wcat</code></dt>
<dd>Four-level ordinal variable for waist to height ratio category, based on <code>BMXWAIST</code> and <code>BMXHT</code> from <code>BMX_F.XPT</code>.</dd>

 <dt><code>gender</code></dt>
<dd>Gender of the participant (1 = male, 2 = female), from <code>RIAGENDR</code> in <code>DEMO_F.XPT</code>.</dd>

 <dt><code>age</code></dt>
<dd>Age in years (continuous), from <code>RIDAGEYR</code> in <code>DEMO_F.XPT</code>.</dd>

 <dt><code>wt</code></dt>
<dd>Sampling weight within strata, based on <code>WTINT2YR</code> from <code>DEMO_G.XPT</code>.</dd>

 <dt><code>str</code></dt>
<dd>Stratum identifier, based on <code>SDMVPSU</code> from <code>DEMO_G.XPT</code>.</dd>


</dl>

nhdat: Subset of NHANES 2009 to 2010 Data for Constrained Survey Analysis

Description

Usage

Arguments

Format

Details