Description Usage Arguments Details Value Author(s) References See Also
Generate variable names for genetic, environmental factors and interacting terms.
1 | variableNames(nEnvFactors, envFactorNames=NULL)
|
nEnvFactors |
number of environmental factors, an integer bewteen 1 and 3.
When |
envFactorNames |
a vector with names for all environmental factor(s). For example, for the
experiment with two environmental factors of temperature and drug treatment:
|
generates names for variables, a vector with the length of (variableNumber+1).
When nEnvFactors
= 1 and nLevels
= 1, there is no environmetal pertubation in the experimental.
Then we re-define nEnvFactors
to be 0 within the algorithm. Accordingly, variableNumber
= 1, and
variableNames
is one genetic factor "Q".
When nEnvFactors
= 1, variableNumber
= 3, and
variableNames
are one genetic factor "Q", one environmental factor "F",
and one interacting factor "QxF".
When nEnvFactors
= 2, variableNumber
= 7, and variableNames
are one genetic factor "Q",
two environmental factors "F1" and "F2",
three two-way interacting factors "QF1", "QF2", "F1F2",
and one three way interacting factors "QxF1xF2".
When nEnvFactors
= 3, variableNumber
= 15, and
variableNames
are one genetic factor "Q",
three environmental factors "F1", "F2" and "F3",
six two-way interacting factors "QF1", "QF2", "QF3", "F1F2",
"F2F3" and "F1F3",
four three-way interacting factors "QxF1xF2", "QxF1xF3",
"QxF2xF3", "F1xF2xF3"
and one four-way interacting factors "QxF1xF2xF3".
Yang Li <yang.li@rug.nl>, Gonzalo Vera <gonzalo.vera.rodriguez@gmail.com>
Rainer Breitling <r.breitling@rug.nl>, Ritsert Jansen <r.c.jansen@rug.nl>
Y. Li, R. Breitling and R.C. Jansen. Generalizing genetical
genomics: the added value from environmental perturbation, Trends Genet
(2008) 24:518-524.
Y. Li, M. Swertz, G. Vera, J. Fu, R. Breitling, and R.C. Jansen. designGG:
An R-package and Web tool for the optimal design of genetical genomics
experiments. BMC Bioinformatics 10:188(2009)
http://gbic.biol.rug.nl/designGG
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