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Question

With R Programming I need help figuring out formulas to the questions being asked as I am stuck, can someone please help!

I attaced what the csv file looks like as I need help with some of the question formulas

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readData

This function reads data from a csv file called fileName. A data frame that stores the contents of this file is returned.

checkStudent

This function extracts a particular student's grades data from a data frame and returns them.

checkAssessment

This function returns a vector/list of three statistics, min, max, and average, about the assessment whose name is given as assessmentName.

calcAssessmentEffectiveScoreRatios

This function return a vector/list of effective score ratios for the assessment whose name is given as assessmentName.

An effective score ratio for a particular student on a given assessment is the raw score divided by the point total for the assessment. For instance: if a student scored 18 out of 20 for an assessment, then the effective score ratio is 18/20.

assessmentCount

This function returns the number of assessments whose names start with assessmentNamePrefix.

assessmentWeight

This function returns the weight for an assessment whose name is given by assessmentName.

assessmentTypeWeights is a named vector that contains the weight for each type of assessments. The vector should reflect the following weights assignment:

homework assignments15%;

term project phase 15%;

term project phase 23%;

term project phase 32%;

exam 110%;

exam 210%;

exam 310%;