ProfessR (version 2.4-1)

readSCANTRON: Read Scantron

Description

Read UNC scantron

Usage

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

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

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

Author

Jonathan M. Lees<[e-mail]>

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

if (FALSE) {

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

B1 = readSCANTRON(rawfn1)
}