GIFTNQ {RGIFT}

Numeric Question in GIFT format

Description

This function prints a Numeric Question in GIFT format.

Usage

GIFTNQ(qtxt, ans, err=0)

Arguments

qtxt

Text of the question.

ans

Numeric answer.

err

Error allowed.

Details

These functions use the cat() function to print a Numerical Question in the GIFT format. In this question, the user is asked to write down a number. Use of the sink() function is adviced to send the ouput to a text file.

The range of answers allows is 'ans' plus/minus 'err' unless 'ans' is of length 2. In that case, the range of valid answers is ans[1] to ans[2].

Value

No value is returned but some text in printed.

Examples

#Question 1
GIFTNQ("What's the mean of vector c(.4, .4, .5, .3)",
   as.character(mean(c(.4, .4, .5, .3))), .01)