weighted.var

Computes the weighted variance of a numeric vector.

An easy way to analyze international large-scale assessments and surveys in education or any other dataset that includes replicated weights (Balanced Repeated Replication (BRR) weights, Jackknife replicate weights,...) while also allowing for analysis with multiply imputed variables (plausible values). It supports the estimation of univariate statistics (e.g. mean, variance, standard deviation, quantiles), frequencies, correlation, linear regression and any other model already implemented in R that takes a data frame and weights as parameters. It also includes  options to prepare the results for publication, following the table formatting standards of the Organization for Economic Cooperation and Development (OECD).

Rodolfo Ilizaliturri Lopez

Rrepest

An Analyzer of International Large Scale Assessments in
Education

Rodolfo Ilizaliturri

Francesco Avvisati

Francois Keslair

weighted.var function

<dl><dt>x</dt>
<dd>(numeric vector) Variable of interest for which to compute the variance</dd>
<dt>w</dt>
<dd>(numeric vector) Vector with weights</dd>
<dt>na.rm</dt>
<dd>(bool) if TRUE: Excludes missing values before computing the variance</dd></dl>

Arguments

Weighted variance — weighted.var

<dl>

<dt>x</dt>
<dd>(numeric vector) Variable of interest for which to compute the variance</dd>


<dt>w</dt>
<dd>(numeric vector) Vector with weights</dd>


<dt>na.rm</dt>
<dd>(bool) if TRUE: Excludes missing values before computing the variance</dd>

</dl>

weighted.var: Weighted variance

Description

Usage

Value

Arguments

Examples