Excelr is the best platform course for the student as well as the professional Excelr is providing many courses with a training certificate. I enrolled in data science which covered whole topics of data science from maths, machine learning, and many things in detail. They also explain with practicals. The best I like about this is that they provide the training free of cost. If any want to get a carrier in data I would recommend you to go with this course. This website is for those who want to learn and excel in these skills. They also provide training online or onsite.