Thanks!!! Best R list ever...
Cheers,
Nick
Barry Rowlingson wrote:
2009/1/23 Jorge Ivan Velez <jorgeivanve...@gmail.com>:
See ?.Last.value
But don't do that right after you've done the calculation! You get
*one* chance with .Last.value:
# here comes my important numbers...
> runif(10)
[1] 0.7685472 0.2301233 0.3053993 0.5185696 0.3345997 0.1544350 0.2663696
[8] 0.3507546 0.5784584 0.8086018
# oops, forgot to save. Rescue me!
> .Last.value
[1] 0.7685472 0.2301233 0.3053993 0.5185696 0.3345997 0.1544350 0.2663696
[8] 0.3507546 0.5784584 0.8086018
# great.
# now lets do it again...
# important numbers...
> runif(10)
[1] 0.93327031 0.83386334 0.12700277 0.64945395 0.69035166 0.03204482
[7] 0.92048915 0.47846889 0.26652058 0.85651072
# hmmm lets check the help:
> ?.Last.value
# great. but now:
> .Last.value
>
it's gone! Oops.
Any typed expression that returns a value will stomp on .Last.value,
even if invisible (as returned from help()). Errors don't, so if you
can't remember if it's .Last.Value or .Last.value you're okay:
> runif(10)
[1] 0.9613436 0.5182666 0.1745280 0.5625401 0.7592582 0.6669713 0.2248729
[8] 0.3458498 0.3198318 0.9048984
> .Last.Value
Error: object ".Last.Value" not found
> .Last.value
[1] 0.9613436 0.5182666 0.1745280 0.5625401 0.7592582 0.6669713 0.2248729
[8] 0.3458498 0.3198318 0.9048984
If this all fails, cut n paste the text and do it the old fashioned way...
Barry
--
====================================================
Nicholas J. Matzke
Ph.D. student, Graduate Student Researcher
Huelsenbeck Lab
Center for Theoretical Evolutionary Genomics
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University of California, Berkeley
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Mailing address:
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3060 VLSB #3140
Berkeley, CA 94720-3140
-----------------------------------------------------
"[W]hen people thought the earth was flat, they were wrong. When people
thought the earth was spherical, they were wrong. But if you think that
thinking the earth is spherical is just as wrong as thinking the earth
is flat, then your view is wronger than both of them put together."
Isaac Asimov (1989). "The Relativity of Wrong." The Skeptical Inquirer,
14(1), 35-44. Fall 1989.
http://chem.tufts.edu/AnswersInScience/RelativityofWrong.htm
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