Yes. Cluster analysis may be done. The dendogram obtained can reveal a lot about the clusters available. The software minitab17 is good for this purpose.
Yes, you can use cluster analysis. Our published paper will be of guide. We applied two-way clustering to clearly identify and visualize the metal distribution in fish tissues, while the second article uses PCA. You can equally apply LDA if you have control samples to confirm and discriminate the samples based on the metals of interest. Kindly read these papers.
Article H emibagrus sp. as a potential bioindicator of hazardous met...
Article Evaluation of Metal Concentrations in Red Tilapia (Oreochrom...