R problem 1. Student records. Create an S3 class studentRecord for objects that are a list...

R problem

1. Student records. Create an S3 class studentRecord for objects that are a list with the named elements ‘name’, ‘subjects completed’, ‘grades’, and ‘credit’. Write a studentRecord method for the generic function mean, which returns a weighted GPA, with subjects weighted by credit. Also write a studentRecord method for print, which employs some nice formatting, perhaps arranging subjects by year code.

Finally create a further class for a cohort of students, and write methods for mean and print which, when applied to a cohort, apply mean or print to each student in the cohort.

Expert Solution

orchestra answered 2 years ago

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