Displaying 6 results from an estimated 6 matches for "seg1".
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2010 Jul 19
5
par("uin") ?
...* dy)^2)
if (scale > 5 * rad)
rad <- rad/scale
qcirc <- cbind(cos((0:10) * pi/20), sin((0:10) * pi/20))
qcircr <- cbind(cos((10:0) * pi/20), sin((10:0) * pi/20))
rot <- function(theta) t(cbind(c(cos(theta), sin(theta)),
c(-sin(theta), cos(theta))))
seg1 <- t(t(rad * qcirc %*% rot(-pi/2)) + c(0, rad))
seg4 <- t(t(rad * qcirc) + c(0, 1 - rad))
seg3 <- t(t((rad * qcircr) %*% rot(pi)) + c(2 * rad, 0.5 +
rad))
seg2 <- t(t((rad * qcircr) %*% rot(pi/2)) + c(2 * rad, 0.5 -
rad))
bra <- rbind(seg1, seg2, seg3,...
2010 Mar 17
1
question about multinom function (nnet)
Dear All.
I have the following table that I want to analyze using multinom
function
freq segments sample
4271 Seg1 tumour
4311 Seg2 tumour
3515 Seg1 normal
3561 Seg2 normal
I want to compare model with both factors to the one where only sample
is present.
model1=multinom(freq~segments+sample,data=table)
model2=multinom(freq~ sample,data=table)
anova(model2,model1)
Likelihood ratio test...
2008 Jun 21
2
clicking on plot and recording XY coords
...ppose that the user will choose
four coordinates inside the region of intersection
between three segmentes. On each click, I would like to
record the position clicked in a vector.
Any help are welcome.
Miltinho
-----
number.clicks<-4
for (i in 1:number.clicks)
{
plot(0,0, type="n")
seg1<-arrows(-0.5,-1,0.5,0, col=1)
seg2<-arrows(0,-1,-0.3,0.3, col=2)
seg3<-arrows(0.2,-0.7,-0.5,0, col=4)
# here I would like click on PLOT
# and record de XY position
# before go to next aquisition
}
[[alternative HTML version deleted]]
2013 Mar 12
1
Constrain slope in segmented package
...strain a
null-left-slope, but I cannot make it. I followed the explanations of
the package (http://dssm.unipa.it/vmuggeo/segmentedRnews.pdf) to write
the following code :
fit.glm <- glm(y~x)
fit.seg <- segmented(fit.glm, seg.Z=~x,psi=0.3)
fit.glm <-update(fit.glm,.~.-x)
fit.seg1 <-update(fit.seg)
If I got well, the two last lines are supposed to constrain the slope,
but it did not change anything. Could you help me with this ?
By the way, I don't understand the ".-.-x" code in the update function.
Thanks a lot by anticipation !
Pierre
--
Pierre Haina...
2004 Aug 06
1
Need a command-line splicer of audio files for Linux
sox works great. to splice out a 10-minute segment starting 12m34s into a .wav file:
sox infile.wav outfile.wav trim 12:34 10:00
to splice two segments together, well:
cat seg1.wav seg2.wav > joined.wav
<p>samurai.fm wrote:
> SOX might work?
>
> -----Original Message-----
> From: owner-icecast@xiph.org [mailto:owner-icecast@xiph.org] On Behalf Of
> Mailing List Receiver
> Sent: Friday, March 26, 2004 9:01 AM
> To: icecast@xiph.org
> Subj...
2004 Aug 06
5
Need a command-line splicer of audio files for Linux
I am looking for a command-line driven audio splicer for .wav files.
Any ideas?
todd@toolz.com
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