Ritter C, Gilliard J. ImpuR: A Collection of Diagnostic Tools Developed in R in the Context of Peak Impurity Detection in HPLC-DAD but Potentially Useful with Other Types of Time-Intensity Matrices. J. Stat. Soft. [Internet]. 2007 Jan. 11 [cited 2024 Apr. 23];18(9):1-18. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v018i09