Displaying 4 results from an estimated 4 matches for "ochiaga".
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chiara
2015 Mar 04
1
nonlinear least square
...arily initialising the parameters of the
model. I find it hard to get the initial value of the parameter. Below is a
sample of the code I have.
*nachman<-nls(OARmedium$OCCUPANCY~1exp(-alpha*OARmedium$MEAN^beta),start=list(alpha=0.2,beta=0.1),data=OARmedium)summary(nachman)*
Thanks,
*Evans Ochiaga*
*African Institute for Mathematical Sciences*
*6 Melrose Road*
*Muizenberg, South Africa*
*Msc in Mathematical Sciences+27 84 61 69 183 *
*"When I cannot understand my Father?s leading, And it seems to be but hard
and cruel fate, Still I hear that gentle whisper ever pleading, God is
wor...
2015 Mar 18
1
Help
...98 0.9999650 1.0000000
0.003702546 : 0.2965898 0.9999650 1.0000000
0.003702546 : 0.2965898 0.9999650 1.0000000
Error in nls(Occupancy ~ 1 - (theta * beta^(2 * Resolution^(1/2)) *
delta^Resolution), :
step factor 0.000488281 reduced below 'minFactor' of 0.000976562
Regards,
*Evans Ochiaga*
*African Institute for Mathematical Sciences*
*6 Melrose Road*
*Muizenberg, South Africa*
*Msc in Mathematical Sciences+27 84 61 69 183 *
*"When I cannot understand my Father?s leading, And it seems to be but hard
and cruel fate, Still I hear that gentle whisper ever pleading, God is
wor...
2015 Mar 19
0
nls
...d it will usually take more time and computing
effort because it tries hard to reduce the SS.
A reproducible example would get you a more informed response.
John Nash
On 15-03-19 07:00 AM, r-devel-request at r-project.org wrote:
> Date: Wed, 18 Mar 2015 14:14:12 +0200
> From: Evans Otieno Ochiaga <evansochiaga at aims.ac.za>
> To: r-devel at r-project.org
> Subject: [Rd] Help
> Message-ID:
> <CAObCh3XfvtCz+qWtSS+pSPrhWtUKtdZoYANN=_4AJndziiiDOQ at mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
>
> Hi to All,
>
> I am fitting so...
2015 Mar 03
2
Asssistance
...upancymean.data.frame)
return(list(summary(poission), summary(nachman), summary(logistic),
summary(nbd),
summary(power), summary(inbd), summary(fnbd), summary(
bayesianII)))
}
Modelsfunc(bcidata)
Your assistance will be highly appreciated. Thanks in advance.
Regards,
*Evans Ochiaga*
*African Institute for Mathematical Sciences*
*6 Melrose Road*
*Muizenberg, South Africa*
*Msc in Mathematical Sciences+27 84 61 69 183 *
*"When I cannot understand my Father?s leading, And it seems to be but hard
and cruel fate, Still I hear that gentle whisper ever pleading, God is
wor...