Displaying 3 results from an estimated 3 matches for "ammi".
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2007 Apr 26
1
R News, volume 7, issue 1 is now available --error in AMMI article
Hi,
In this newsletter (Vol 7, 1),the article on AMMI by Onofri and Ciriofolo
presented a AMMI function. One of arguments for this function AMMI (Page
17) is biplot. There is a biplot fucntion from {stats} package. I guess
they are not the same. Could the authors clarify that?
Thanks,
Yuandan
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2007 Jul 23
1
The 'REP' term in AMMI{agricolae}
Dear all,
W2k, R 2.5.1
I am trying out the AMMI function in the agricolae package, to analyse the
dependence of environment for a certain cultivar. The function responds to
four basic variables:
ENV Environment
GEN Genotype
REP Replication
Y Response
My question concerns the 'REP' term. When I normally do an analysis of
variance, the r...
2007 Jul 19
2
Subsetting dataframes
...want and import the frame to R. I take in all
cultivars in R and use 'subset' to select what I want to look at. Using
lme{nlme} works with no problems to get mean results over the years, but
as I now have a number of years I want to analyse the general site x
cultivar relation. I am testing AMMI{agricolae} for this and it seems to
work except for the subsetting. This is what happens:
If I do the subsetting like this:
x62_samvar <- subset(x62_5, cn %in%
c("Astoria","Barke","Christina","Makof", "Prestige","Publican","Quenc...