matrix.cross_table

Creates a named matrix from two variables.

Contains kidney care oriented functions.
Current version contains functions for calculation of:
- Estimated glomerular filtration rate by CKD-EPI (2021 and 2009), MDRD, CKiD, FAS, EKFC, etc.
- Kidney Donor Risk Index and Kidney Donor Profile Index for kidney transplant donors.
- Citation: Bikbov B. kidney.epi: Kidney-Related Functions for Clinical and Epidemiological Research. Scientific-Tools.Org, <https://Scientific-Tools.Org>. <doi:10.32614/CRAN.package.kidney.epi>.

Boris Bikbov

kidney.epi

Kidney-Related Functions for Clinical and Epidemiological
Research

matrix.cross_table function

<dl><dt>var1</dt>
<dd>Character vector. Values representing first variable.</dd>
<dt>var2</dt>
<dd>Character vector. Values representing second variable.</dd>
<dt>predefined_levels</dt>
<dd>Character vector. Levels for var1 and var2. If omitted, the variables just coded according to the levels they have. If contains vector, the variables are coded according to predefined_levels values, the latter could be useful if var1 and var2 contain not all levels of interest</dd></dl>

Arguments

Creates a named matrix from two variables. — matrix.cross_table

<dl>

<dt>var1</dt>
<dd>Character vector. Values representing first variable.</dd>


<dt>var2</dt>
<dd>Character vector. Values representing second variable.</dd>


<dt>predefined_levels</dt>
<dd>Character vector. Levels for var1 and var2. If omitted, the variables just coded according to the levels they have. If contains vector, the variables are coded according to predefined_levels values, the latter could be useful if var1 and var2 contain not all levels of interest</dd>

</dl>

matrix.cross_table: Creates a named matrix from two variables.

Description

Usage

Value

Arguments

Details