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2009 Jan 27
1
Creating list or numeric vectors out of selected columns of row oriented data
...39;,'2/14/2005',3.08,'j',85
...
Any guidance is appreciated.
R. Mark Sharp, Ph.D.
Director of Primate Records Database
Southwest National Primate Center
Southwest Foundation for
Biomedical Research
P.O. Box 760549
San Antonio, TX 78245-0549
Telephone: (210)258-9476
e-mail: msharp@sfbr.org
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2011 Jan 04
1
Calendar in R-program
Hey.
I have to do calendar in program R. I was looking for examples on this forum
but havent found it. Can someone help me in this thing ? I would be really
appreciate for that. Calendar should be the same as we have in Windows but I
really dont know how to begin it. Hope u can show me the best way to do it.
Cheers
--
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2000 Nov 13
1
Python and R
I've been doing some prototype simulations in Python, and my plan at
first was to pass the results off to R, but now I would like to make
more of an integrated use of the R routines. I'm curious about the
use of libR.so, but I'm uncertain, still after having looked through
the documentation 'Embedding R in Other Applications' and 'Writing R
extensions' how I can
2002 Jan 25
0
Simplex difficulties
I'm exploring the simplex algorithm with a simple transportation problem
of the form:
minimize:
8a + 6b + 10c + 9d + 5e + 7f
subject to the constraints:
a + b + c = 11
d + e + f = 14
a + d = 10
b + e = 8
c + f = 7
I've implemented this in R (1.4.0 (2001-12-19), SunOS 5.7) as:
require(boot)
costs = c(8,6,10,9,5,7)
constraints = c(
1,1,1,0,0,0,
0,0,0,1,1,1,
1,0,0,1,0,0,