.Get_lambda

For each reference LMSP model, get the lambdas used before fitting

Get z-scores, percentiles, absolute values, and percent of predicted of a reference cohort.
Functionality requires installing the data packages 'adiposerefdata' and 'musclerefdata'.
For more information on the underlying research, please visit our website which also includes a graphical interface.
The models and underlying data are described in
Marquardt JP et al.(planned publication 2025; reserved doi 10.1097/RLI.0000000000001104),
"Subcutaneous and Visceral adipose tissue Reference Values from Framingham Heart Study Thoracic and Abdominal CT",
*Investigative Radiology*
and
Tonnesen PE et al. (2023),
"Muscle Reference Values from Thoracic and Abdominal CT for Sarcopenia Assessment [column] The Framingham Heart Study",
*Investigative Radiology*,
<doi:10.1097/RLI.0000000000001012>.

J. Marquardt

bodycompref

Reference Values for CT-Assessed Body Composition

J. Peter Marquardt

.Get_lambda function

<dl><dt>metric</dt>
<dd>character, body composition metric</dd>
<dt>sex</dt>
<dd>character, "Female" or "Male"</dd>
<dt>level</dt>
<dd>character, used vertebral level</dd></dl>

Arguments

Author

Get the lambda used to build a model — .Get_lambda

<dl>

<dt>metric</dt>
<dd>character, body composition metric</dd>


<dt>sex</dt>
<dd>character, "Female" or "Male"</dd>


<dt>level</dt>
<dd>character, used vertebral level</dd>

</dl>

.Get_lambda: Get the lambda used to build a model

Description

Usage

Value

Arguments

Author