ProfessR (version 2.1)

readSCANTRON: Read Scantron

Description

Read UNC scantron

Usage

readSCANTRON(fn = "t9543b.raw.csv", nq = 50, istart = 6)

Arguments

fn

character, name of digital file with raw scores

nq

integer, Number of questions to read

istart

integer, start of column for first question

Value

• list:
• Nstudents
  number of students
• Nquestions
  number of questions
• Nams
  names of students
• ids
  Ids of students
• studans
  matrix, student answers
• key
  key for grading

Details

The data is scanned by machine. If a student marks on the exam past the correct number of questions, the machine assumes there are legitimate repsonses beyond the key.

Examples

datadir =  "./DATA"
rawfn1 = paste(datadir,'t6200a.raw.csv', sep="/")

B1 = readSCANTRON(rawfn1)