The model and description is available at GitHub site, https://github.com/sumprain/blog/tree/master/erythropoeisis_model.
The description of the model is given in model_description.html, model_description.Rmd and model_description.md files
The shiny application can be found at shiny folder.
The work.R file is the source file for the R code.
Please feel free to comment and post your criticisms.
Dr Suman Kumar (@sumankumarpram1)