Giorgio Pioda

Statistician by chance (but not so much) - with a PhD in chemistry

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Passing Bablok bias - The (b < -1) offset as possible reason

Offset and rounding

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Requiem for Passing Bablok (for most cases)

PB bias

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R mcrPioda-1.3.3 package - New M- and MM-Deming regressions

M vs MM

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mcrPioda-1.3.3 release. Rewritten M- and MM-Deming regressions

I would like to report that the recently released mcrPioda-1.3.3 package has refurbished versions of the M-Deming and MM-Deming regression. The new functions are written in C and are much faster that the previous ones. The new release is on the devel branch because on the master branch the legacy version of 2021 is still available.

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Bayesian Deming regression, Type II error with 2x2 rounded data

CImethod

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Bayesian Deming robustness with a high percentage of outliers

I just uploaded a video showing the differences between typical method comparison regressions when outliers with leverage are massively present in the data.

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Bayesian Deming regression, Type I (alpha) error

pplots

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Linear heteroscedastic Bayesian Deming regression, a case study

Abstract

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Bias with AUC - PBequi, PaBa, Deming, MDeming, MMDeming

High resolution

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Bayesian vs frequentist Deming regression comparison

The glycHem data set

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Bayesian Deming regression - Small sample example

Small sample BE plot

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Bayesian Deming regression (with heteroscedastic error structure)

Bayes Deming one

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Passing Bablok is biased at low data precision (thus almost always)

_config.yml

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Bayesian Deming regression - About the sampling method

The basic concept in rstanbdp is to sample a single error term instead of two. The idea comes from the Weighted Deming procedure proposed by Linnet in multiple articles, for example K. Linnet, Clinical Chemistry 44:5, 1024-1031 (1998)

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Bayesian Deming regression with heteroscedastic error term - Part II

Bayes Deming Pairs

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Deming vs Passing Bablok at 3 x 3 digits precision

Three digits one

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Jackknife pairs collinearity for Passing Bablok methods

Jackknife collinearity

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Right side excess and bias in MethComp at 2x2 digit precision

Second simulation one

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PBequi unusable with Jackknife at low data precision

Jackknife

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