Description Usage Format Details Note References
Data assesing how much algebra knowledge is retained.
1 | data("algebra")
|
A dataframe with 125 rows and 5 columns.
Score
Subject's score on algebra test of 100.
Condition
Group of years since last algebra instruction:
0-4 Years
5-10 Years
11-20 Years
21-30 Years
31+ Years
Years
The exact number of years since last instruction.
Grade
Recalled grade in high-school algebra:
D or Lower
C
B
A
ConditionLabels
A re-labeling and factoring of the Condition
variable.
See what this does
The documentation does not auto-update. If one changes the base file, this documentation will no longer remain accurate.
36-202 Lab 6 Data.
The ConditionLabels
variable was added after the fact.
Bahrick and Hall. Lifetime Maintenance of High-School Mathematics Content. Journal of Experimental Psychology: General. Volume 113, Pages 1-24. 1991.
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