Displaying 10 results from an estimated 10 matches for "ipgri".
2003 Sep 02
1
Plotting dates
...very
seventh day) rather than the 10 days that seem to be default??
> Week
[1] 2May3 9May3 16May3 23May3 30May3 7Jun3 14Jun3
ALSO, why won't the three last lines of code in the top example show on the
graph?
cheers,
Mikkel
Mikkel Grum
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
PO Box 30677
00100 Nairobi, Kenya
Tel: +254 20 524505(direct)/524500(IPGRI)
Fax: +254 20 524501(IPGRI)/524001(ICRAF)
m.grum at cgiar.org
www.ipgri.org
2003 Jan 07
2
Extracting means for given strata from dissimilarity object
...a given
strata from a 'dist' or 'dissimilarity' object, e.g. extract mean distances
for each species in Anderson's iris data?
data(iris)
iris.dist<-dist(iris[,1:4])
then what?
Mikkel Grum, PhD
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
PO Box 30677
Nairobi, Kenya
Tel: +254 2 524505(direct)/524500(IPGRI)
Fax: +254 2 524501(IPGRI)/524001(ICRAF)
m.grum at cgiar.org
www.ipgri.org
2002 Jan 08
6
Subsets without NA
...le to do it in one
fell swoop. Also, surprisingly, it doesn't always work. Sometimes I'm left
with an empty set even though not all rows have missing values for the
variable.
Cheers,
mikkel
Mikkel Grum, PhD
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
c/o ICRAF
PO Box 30677 Nairobi, Kenya
Tel: 254 2 524505 / 524500
Fax: 254 2 524501 / 524001
m.grum at cgiar.org
ipgri-kenya at cgiar.org
www.ipgri.cgiar.org
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2001 Aug 13
3
subset syntax
...26,29,30,33:48))
xx<-subset(x,LOCAL.NAME==c("Chifumbata"),select=c(13,16,19,23,26,29,30,33:48
))
but I want a file with both the Chifumbatas and the Chikotas and several
others.
Cheers,
Mikkel
Mikkel Grum
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
m.grum at cgiar.org
ipgri-kenya at cgiar.org
www.ipgri.cgiar.org
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2003 Aug 18
0
displaying pruned clusters
...,type=list(asymm=c(1,3),ordratio=7))
hdfl2<-hclust(dfl2)
prune.dfl2<-prune.clust(hdfl2,k=6)
plot(prune.dfl2)
Of course the following will display all six clusters, but without a scale:
draw.tree(prune.dfl2)
Best wishes,
Mikkel
Mikkel Grum
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
PO Box 30677
00100 Nairobi, Kenya
Tel: +254 20 524505(direct)/524500(IPGRI)
Fax: +254 20 524501(IPGRI)/524001(ICRAF)
m.grum at cgiar.org
www.ipgri.org
2001 Aug 21
4
looking for a smarter way
...,xshw5,xshw6,xshw7,xshw8,xshw9,xshw10,xsh
w11,xshw12,xshw13,xshw14)
xtap<-cbind(xtap1,xtap2,xtap3,xtap4,xtap5,(xtapx<-(xtap1+xtap2+xtap3+xtap4+x
tap5)),xshw)
Thanks a lot in advance!!
Mikkel
Mikkel Grum, PhD
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
c/o ICRAF
PO Box 30677 Nairobi, Kenya
m.grum at cgiar.org
ipgri-kenya at cgiar.org
www.ipgri.cgiar.org
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2001 Aug 09
1
Mixed mode import problem
...I've worked through R for beginners, the import/export manual, an
introduction to R, and considerable chunks of the reference manual, as well
as a few other texts and I could do with some help.
-mikkel
Mikkel Grum
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
m.grum at cgiar.org
ipgri-kenya at cgiar.org
www.ipgri.cgiar.org
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
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2003 Aug 04
1
hclust() and agnes() method="average" divergence (PR#3648)
...r(coagnes,daisemol)
cohclust<-cophenetic(hclustmol)
cor(cohclust,daisemol)
I'm using R 1.7.1 (2003-06-16) on Windows XP. Library "cluster" version
1.7.4 and library "mva" version 1.7.1.
Best wishes,
Mikkel
Mikkel Grum
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
PO Box 30677
00100 Nairobi, Kenya
Tel: +254 20 524505(direct)/524500(IPGRI)
Fax: +254 20 524501(IPGRI)/524001(ICRAF)
m.grum@cgiar.org
www.ipgri.org
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2002 Jan 08
3
colour coding and different point types in a plot
...ror message
Error in 1:4[codes(xx$TYPBOTA)] : NA/NaN argument
In addition: Warning message:
Numerical expression has 162 elements: only the first used in:
1:4[codes(xx78$TYPBOTA)]
Best wishes,
Mikkel
Mikkel Grum, PhD
Genetic Diversity Scientist
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
***
c/o ICRAF
PO Box 30677 Nairobi, Kenya
Tel: 254 2 524505 / 524500
Fax: 254 2 524501 / 524001
IVDN Tel: 645 4505 / 4500
IVDN Fax: 645 4501 / 4001
m.grum at cgiar.org
ipgri-kenya at cgiar.org
www.ipgri.cgiar.org
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2002 May 14
1
cutree() and horizontal dendrograms
...o the right? This would enable some practical composite plots,
e.g. labels that were an entire table with several columns of information,
or dotplots of specific information along with the labels.
Best wishes,
Mikkel
Mikkel Grum
Genetic Diversity
International Plant Genetic Resources Institute (IPGRI)
Sub-Saharan Africa Group
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