readSCANTRON: Read Scantron

Description

Read UNC scantron

Usage

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

Arguments

character, name of digital file with raw scores

integer, Number of questions to read

istart

integer, start of column for first question

Value

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

Run this code

## Not run: 
# 
# datadir =  "./DATA"
# rawfn1 = paste(datadir,'t6200a.raw.csv', sep="/")
# 
# B1 = readSCANTRON(rawfn1)
# ## End(Not run)

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