“How to Deal With Acontamenated & Less Than Full Rank Data in Amultivariate Data Set”. 2021. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 23 (2): 68-90. https://doi.org/10.55562/jrucs.v23i2.481.