lab.qcs

print.lab.qcs

summary.lab.qcs

It develops an object of <code>lab.qcs</code>-codelinkclass to perform statistical quality control.
This function is used to compute the requested statistics to be summarized and ploted.

It performs interlaboratory studies (ILS) to detect those
laboratories that provide non-consistent results when comparing to others. It
permits to work simultaneously with various testing materials, from standard
univariate, and functional data analysis (FDA) perspectives. The univariate
approach based on ASTM E691-08 consist of estimating the Mandel's h and
k statistics to identify those laboratories that provide more significant
different results, testing also the presence of outliers by Cochran and Grubbs
tests, Analysis of variance (ANOVA) techniques are provided (F and Tuckey
tests) to test differences in means corresponding to different laboratories per
each material. Taking into account the functional nature of data retrieved in
analytical chemistry, applied physics and engineering (spectra, thermograms,
etc.). ILS package provides a FDA approach for finding the Mandel's k and h
statistics distribution by smoothing bootstrap resampling.

Miguel Flores

Interlaboratory Study

Miguel Flores 

Ruben Fernandez 

Salvador Naya 

Javier Tarrio-Saavedra 

lab.qcs function

<dl><dt>x</dt>
<dd>An object of class <code>lab.qcs</code> for which a print is desired.</dd>
<dt>...</dt>
<dd>Other arguments passed to or from methods.</dd>
<dt>object</dt>
<dd>An object of class <code>lab.qcs</code> for which a summary is desired.</dd></dl>

Arguments

Create an object of class 'lab.qcs' to perform statistical quality control.
This function is used to compute statistics required for plotting Statitics — lab.qcs

<dl>

<dt>x</dt>
<dd>An object of class <code>lab.qcs</code> for which a print is desired.</dd>


<dt>...</dt>
<dd>Other arguments passed to or from methods.</dd>


<dt>object</dt>
<dd>An object of class <code>lab.qcs</code> for which a summary is desired.</dd>

</dl>

Create an object of class 'lab.qcs' to perform statistical quality control.
This function is used to compute statistics required for plotting Statitics

lab.qcs: Create an object of class 'lab.qcs' to perform statistical quality control. This function is used to compute statistics required for plotting Statitics

Description

Usage

Arguments

Examples