R package mecor
This R package implements measurement error correction methods for measurement error in a continuous covariate or outcome in a linear model with a continuous outcome. For details, see

R package apricom
Tools to compare several model adjustment and validation methods prior to application in a final analysis. For details, see

Shiny apps

Classification error
This app creates bias plots to support quantitative bias analysis to assess the impact of classification error in a confounding variable. For details, see

Measurement heterogeneity
This app allows to explore the impact of random predictor measurement heterogeneity on prediction model performance. For details, see