On 01/17/2014 08:42 AM, Vito Ricci wrote:
Hi Goran,
thanks for your suggestion, but I believe it's not helpful for me...
phreg statement "Proportional hazards model with parametric baseline
hazard(s). Allows for stratification with dif-ferent scale and shape in
each stratum, and left truncated and right censored data"
I've data whose distribution is lognormal with three parameters, I need
to fit this model and its 3 parameters, especially the the 3rd, the
theresold.
Right; the "third parameter" in the extension of the lognormal (and
loglogistic) distribution in phreg is a 'proportional hazards'
parameter, i.e., multiplying the standard lognormal (loglogistic) hazard
function by a constant. If you want a threshold parameter, it is not for
you.
Göran
Regards.
VR
Se non ora, quando?
Se non qui, dove?
Se non tu, chi?
Il Venerdì 17 Gennaio 2014 8:26, Vito Ricci <vito_ri...@yahoo.com> ha
scritto:
Many thanks for your suggestion.
Regards.
VR
Se non ora, quando?
Se non qui, dove?
Se non tu, chi?
Il Giovedì 16 Gennaio 2014 22:31, Göran Broström
<goran.brost...@umu.se> ha scritto:
On 01/16/2014 04:59 PM, Vito Ricci wrote:
> Hi guys,
>
> is there in some R package a statement to fit parameters in a
3 parameters lognormal distribution.
Yes, the function 'phreg' in the package 'eha'.
Göran Broström
> Many thanks
> Vito Ricci
> [[alternative HTML version deleted]]
>
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