pisa {DAKS} | R Documentation |
The accompanying binary dataset is part of the empirical 2003 Programme for International Student Assessment (PISA) data. It contains the item responses by 340 German students on a 5-item dichotomously scored mathematical literacy test.
pisa
The pisa
data frame consists of 340 rows and 5
columns, representing the response patterns of the students to the
test items. Each number, an integer, 1 or 0, encodes a
correct or incorrect response, respectively.
The dataset pisa
was obtained after dichotomizing the
original multiple-choice or open format test data. Wording of the
test items used in the assessment is not known (not available
publicly).
OECD Programme for International Student Assessment (PISA). http://www.pisa.oecd.org/
Sargin, A. and Uenlue, A. (2009) Inductive item tree analysis: Corrections, improvements, and comparisons. Manuscript under revision. http://www.math.uni-augsburg.de/~uenlueal/
Sargin, A. and Uenlue, A. (2009) DAKS: An R package for data analysis in knowledge space theory. Manuscript submitted for publication. http://www.math.uni-augsburg.de/~uenlueal/
See DAKS-package
for general information about this
package.