Displaying 20 results from an estimated 123 matches for "alienetworks".
2012 May 05
3
alarm() doesn't beep
...ELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] plyr_1.7.1 Defaults_1.1-1 fortunes_1.5-0 sos_1.3-1 brew_1.0-6
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2011 Mar 06
4
sorting & subsetting a data.frame
...with(xa, xa[order(Sepal.Length,
rev(sort(Species1))),])
xa <- with(x, x[Sepal.Length==6.7,]); with(xa, xa[order(rev(sort(Species1))),])
I've checked The R Inferno, Quick-R and several other places with no
obvious solution.
Any ideas? Regards
Liviu
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2009 Aug 20
4
expanding 1:12 months to Jan:Dec
...1" "12"
> as.Date(paste(01:12), "%m")
[1] NA NA NA NA NA NA NA NA NA NA NA NA
to subsequently format(.., "%b"). Other than writing the months
manually, could anyone suggest an easier way to obtain such a list?
Liviu
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2009 Aug 04
2
100% CPU when running (cran2deb) JGR on Debian
...ING: org.rosuda.JRI.Mutex was unlocked by other thread than
locked! This may soon lead to a crash...
Could anyone suggest a way to work around this issue? Thank you,
Liviu
[1] http://www.mail-archive.com/debian-science at lists.debian.org/msg03306.html
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2013 Apr 15
6
how to transform string to "Camel Case"?
...[1] "RProject" "helloWorld" "somethingElse"
But how should I proceed to obtain Camel Case? Here's what I'd like to get:
c('R Project', 'Hello World', 'Something Else')
Regards,
Liviu
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2009 Oct 14
3
currency conversion function?
...that
allows to download recent exchange rates (say, from Yahoo!) and then
use these in converting currencies (say, USD to EUR).
I am not sure whether r-sig-finance would be more appropriate, but the
(off-)topic feels general enough to me. Thank you
Liviu
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2010 Nov 30
3
pca analysis: extract rotated scores?
...rned the 'pca' object and ?principal help page upside down and
I still cannot find anything that would resemble a 'scores' value. I'm
pretty sure it's one matrix computation away, but I cannot find which
one.
Ideas? Thank you
Liviu
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2011 Aug 10
3
convert 'list' to 'vector'?
...What I would need to get instead is:
> letters[1:12]
[1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l"
Any ideas? Regards
Liviu
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2009 May 15
4
replace "%" with "\%"
...;50\\%" "75\\%" "100\\%"
Could anyone suggest how to obtain output similar to:
[1] "mean" "sd" "0\%" "25\%" "50\%" "75\%" "100\%"
Thank you,
Liviu
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2010 Oct 23
1
command to start R and Rcmdr?
...39;
and the following, which starts R in a non-interactive session
liv at liv-laptop:~$ R -e 'require(Rcmdr)' --interactive
Any ideas on how to work around this? Regards
Liviu
[1] http://www.mail-archive.com/r-help at r-project.org/msg14057.html
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2011 Apr 07
1
plyr workaround to converting by() to a data frame
...rp2","grp3")], range)
> as.data.frame(dfsum)
Error in as.data.frame.default(dfsum) :
cannot coerce class '"by"' into a data.frame
> do.call(rbind, dfsum)
[,1] [,2]
[1,] 1 29
[2,] 2 30
Thank you
Liviu
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2012 Apr 10
1
plyr: set '.progress' argument to default to "text"
...ly(..., .progress = "none"). I would like to set it to daply(...,
.progress = "text"), so as to avoid writing the argument every time I
call such a function. I looked into ?daply and ?create_progress_bar
without much luck.
Regards
Liviu
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2009 Oct 17
1
Easy way to `iris[,-"Petal.Length"]' subsetting?
...iris[,-"Petal.Length"])
Error in -"Petal.Length" : invalid argument to unary operator
Is there something more straight-forward than
`-which(names(iris)=="Petal.Length")', to drop a variable using a
string?
Thank you
Liviu
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2011 Aug 19
1
Hmisc::rcorr on a 'data.frame'?
...mpg cyl disp hp
mpg 1.00 -0.85 -0.85 -0.78
cyl -0.85 1.00 0.90 0.83
disp -0.85 0.90 1.00 0.79
hp -0.78 0.83 0.79 1.00
n= 32
P
mpg cyl disp hp
mpg 0 0 0
cyl 0 0 0
disp 0 0 0
hp 0 0 0
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2011 Oct 03
2
extracting p-values in scientific notation
...comes as '< 2.2e-16', while inspecting the object I
get a good old '0'.
> x$p.value
[1] 0
I tried to inspect print.htest but couldn't find it. I also played
with format, round and the like to no avail. Any pointers?
Regards
Liviu
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2009 Oct 19
1
access elements of summary.aov?
...r(>F) : num [1:2] 1.67e-31 NA
- attr(*, "class")= chr [1:2] "summary.aov" "listof"
> tmp$1
Error: unexpected numeric constant in "tmp$1"
> tmp$"1"
NULL
> tmp$""
NULL
Thank you
Liviu
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2009 Jun 02
2
variance does not equal serial covariance of lag zero?
...(RAdj.Close, RAdj.Close, use="pairwise.complete.obs")})
[1] 1
> with(ibm200505, {acf(RAdj.Close, lag.max=0, type="correlation", na.action=na.pass, plot=F)})$acf[1]
[1] 1
Is this a bug, or am I doing anything stupid?
Thank you
Liviu
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2012 Jun 21
4
convert 'character' vector containing mixed formats to 'Date'
...quot;11094" "11094"
The culprit is likely that the 'x' vector is 'character' throughout,
but I'm not sure how to work around. For example, I couldn't figure
how to create an empty 'Date' vector. Regards
Liviu
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2011 Aug 10
2
round() a data frame containing 'character' variables?
...1.5 0.2
5 5.0 3.6 1.4 0.2
6 5.4 3.9 1.7 0.4
Is there an elegant way to use round() on a data frame containing
'character' variables without removing them? Thank you
Liviu
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2009 Oct 02
1
trouble with html() in Hmisc
..._3.7-0
[10] survival_2.35-7
loaded via a namespace (and not attached):
[1] cluster_1.12.0 grid_2.9.2 lattice_0.17-25 tools_2.9.2
> system("uname -a")
Linux debian-liv 2.6.30-1-amd64 #1 SMP Sat Aug 15 18:09:19 UTC 2009
x86_64 GNU/Linux
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