On 7/1/2008 4:57 AM, Partha wrote:
Dear All,
Kindly tell me the steps to perform analysis of covariance (ANCOVA). Can I find
anything in the help(). My prime objective is to analyze the genotypic and
phenotypic correlation coefficients.
Thanks,
Partha
RSiteSearch("{analysis of covariance}", restrict="function")
would be a good way to identify possible functions. Among other
things, this points to lm() in the stats package.
Also, you might look at some of the contributed R documentation
(http://cran.r-project.org/other-docs.html) for examples of analysis of
covariance. “Practical Regression and Anova using R” by Julian Faraway
has a chapter on the topic.
Partha Protim Banerjee, Ph. D.
Scientist - Corn Breeding
Hytech Seed India Pvt. Ltd.
ICRISAT, Bldg: 303, Room: 15-23
Patancheru, Hyderabad
India
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