Displaying 5 results from an estimated 5 matches for "mant".
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2001 Jan 23
1
Fixed vs. Floating Point primer. was: Implementing Vorbis in hard ware
...as the name would suggest, cannot deal with
exponents directly. They are a pain to program, because at every operation,
the programmer must keep dynamic range and overflow in mind. Something as
simple as adding two floats c=a+b becomes a difficult task.
if ( b.exp > a.exp ) {
c.mant = b.mant + ( a.mant >> ( b.exp - a.exp ));
c.exp = b.exp;
}else{
c.mant = a.mant + ( b.mant >> ( a.exp - b.exp ));
c.exp = a.exp;
}
/* overflow has not even been taken into account here, nor has
post-scaling */
So why would...
2008 Jun 17
2
Calling functions
...be able ot use the function,
My question is how do i call this function?
I've tried to chance the working directory, and tried to load it via;
> library(Xtabs, lib.loc="//filer/common/technical/surveys/R_test")
but neither seem to work? the function inside is called CrossTable.
Mant thanks in advance
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2001 Jan 13
4
Oggenc bug & other
...oo)
Is that file part of MSVC or something other? Because I didn't find it
on my MSVC CD either...
4. a small modification in sharedbook.c:
float _float32_unpack(long val){
long exp =(val&0x7fe00000)>>VQ_FMAN; // this have to be long, not
float (or not?)
float mant=(float)(val&0x1fffff);
if(val&0x80000000) // sign
mant= -mant;
return((float)ldexp(mant,exp-(VQ_FMAN-1)-VQ_FEXP_BIAS));
}
that's all
regards
Attila Padar
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To...
2001 Apr 28
2
Mantel's randomization test
Dear all,
Dose anyone know whether there is a good R packege or
program for Mantel's randomization test?
Thanks in advance.
------------------------
Takashi Mizuno
zoono at sci.osaka-cu.ac.jp
Plant Ecology Lab.
Osaka City University
------------------------
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2010 May 19
8
Generating all possible models from full model
...missing models or have made a mistake somewhere. It is also difficult to alter models if I want to change a term. For example, below are the set of models I would like to run. Is there a way to specify the full model and have R generate the rest? I.e. specify
m1234567<-glm.convert(glm.nb(mantas~site*year+cosmonth+sinmonth+coslunar+sinlunar+plankton, data=mydata))
and have R run all the other models.
library(MASS)
#Intercept only
m0<-glm.convert(glm.nb(mantas~1,data=mydata))
#One term - 7 models
#Manta abundance is greater at one of the two sites
m1<-glm.convert(glm.nb(...