Evandro's mailing lists (Please, don't send personal messages to this
address) wrote:
Yes it is exactly that. I will follow you advice and create a
abstraction layer for the data access that will return the sparse
dataset using the standard dataset as input.
There is just one thing I disagre
Evandro's mailing lists (Please, don't send personal messages to this
address) schrieb:
Yes it is exactly that. I will follow you advice and create a
abstraction layer for the data access that will return the sparse
dataset using the standard dataset as input.
There is just one thing I disagre
Yes it is exactly that. I will follow you advice and create a abstraction layer for the data access that will return the sparse dataset using the standard dataset as input.
There is just one thing I disagree you said it that the performance is not good, right. However, it is practical! Nothing is
On Tue, Nov 08, 2005 at 02:14:58PM -0500, John D. Burger wrote:
> Evandro's mailing lists (Please, don't send personal messages to this
> address) wrote:
>
> >It has nothing to do with normalisation.? It is a program for
> >scientific applications.
> >Data?values are broken into column to allow
Evandro's mailing lists (Please, don't send personal messages to this
address) wrote:
It has nothing to do with normalisation. It is a program for
scientific applications.
Data values are broken into column to allow multiple linear regression
and multivariate regression trees computations.
Evandro's mailing lists (Please, don't send personal messages to this
address) wrote:
Sorry,
It has nothing to do with normalisation. It is a program for scientific
applications.
It has everything to do with normalisation. You appear to be pushing
application presentation issues into the stru
> >>>
> >>>Well this screams random arbitrary limit to me. Why does this limit
> >>>exist? What ever happened to the holy 0,1,infinity triumvirate?
> >>>
> >>
> >>I guess it eases implementation and there is no reason to go so high
> >>on columns either. The limit could even be lower w/o and hurts
Sorry,
It has nothing to do with normalisation. It is a program for scientific applications.
Data values are broken into column to allow multiple linear regression and multivariate regression trees computations.
Even SPSS the most well-known statistic sw uses the same approach and data structu
On 8 Nov 2005, at 16:06, Scott Marlowe wrote:
On Tue, 2005-11-08 at 09:45, Tino Wildenhain wrote:
Alex Stapleton schrieb:
On 8 Nov 2005, at 12:50, Tino Wildenhain wrote:
Evandro's mailing lists (Please, don't send personal messages
to this
address) schrieb:
Hi guys,
I would like
On 8 Nov 2005, at 12:50, Tino Wildenhain wrote:
Evandro's mailing lists (Please, don't send personal messages to
this address) schrieb:
Hi guys,
I would like to know if it is possible to have more than 1600
columns on windows without recompiling postgres.
I would like to know who on
> "Evandro's" == Evandro's mailing lists (Please, don't send personal
> messages to this address) <[EMAIL PROTECTED]> writes:
[I would have replied to your personal address, but I'm not about
to copy it from a footer.]
Evandro's> I'm doing a PhD in data mining and I need more than 1600 c
On Tue, 2005-11-08 at 09:45, Tino Wildenhain wrote:
> Alex Stapleton schrieb:
> >
> > On 8 Nov 2005, at 12:50, Tino Wildenhain wrote:
> >
> >> Evandro's mailing lists (Please, don't send personal messages to this
> >> address) schrieb:
> >>
> >>> Hi guys,
> >>> I would like to know if it is po
Tino Wildenhain <[EMAIL PROTECTED]> writes:
> Alex Stapleton schrieb:
>> Well this screams random arbitrary limit to me. Why does this limit
>> exist? What ever happened to the holy 0,1,infinity triumvirate?
> I guess it eases implementation and there is no reason to go so high
> on columns eith
Alex Stapleton schrieb:
On 8 Nov 2005, at 12:50, Tino Wildenhain wrote:
Evandro's mailing lists (Please, don't send personal messages to this
address) schrieb:
Hi guys,
I would like to know if it is possible to have more than 1600
columns on windows without recompiling postgres.
I w
Evandro's mailing lists (Please, don't send personal messages to this
address) schrieb:
I'm doing a PhD in data mining and I need more than 1600 columns. I
got an error message saying that I can not use more than 1600 columns.
It is happening because I have to change categorical values to
bina
"Evandro's mailing lists (Please, don't send personal messages to this
address)" <[EMAIL PROTECTED]> writes:
> I'm doing a PhD in data mining and I need more than 1600 columns.
I don't think so --- consider redesigning your data model instead.
For instance, maybe you could combine similar columns
Evandro's mailing lists (Please, don't send personal messages to this
address) wrote:
I'm doing a PhD in data mining and I need more than 1600 columns. I got an
error message saying that I can not use more than 1600 columns.
It is happening because I have to change categorical values to binary
c
I'm doing a PhD in data mining and I need more than 1600 columns. I got an error message saying that I can not use more than 1600 columns.
It is happening because I have to change categorical values to binary creating new columns. Do you know if oracle can handle it?
-- Evandro M Leite Jr. P
Evandro's mailing lists (Please, don't send personal messages to this
address) schrieb:
Hi guys,
I would like to know if it is possible to have more than 1600 columns on
windows without recompiling postgres.
I would like to know who on earth needs 1600 columns and even beyond?
Hint: you can
Evandro's mailing lists (Please, don't send personal messages to this
address) wrote:
Hi guys,
I would like to know if it is possible to have more than 1600 columns on
windows without recompiling postgres.
I don't think so. Are you sure you need more than 1600 columns? That's
many more than I
Hi guys,
I would like to know if it is possible to have more than 1600 columns on windows without recompiling postgres.
Regards
-Evandro-- Evandro M Leite JrPhD Student & Software developerUniversity of Southampton, UKPersonal website: http://evandro.orgAcademic website:
http://www.soton.ac.uk
21 matches
Mail list logo
