Displaying 20 results from an estimated 6000 matches similar to: "Performance problems"
2004 Nov 22
2
chan_h323 on AMD64
Has anyone here done this? I got it compiled just fine but when I make a
call I do not get any audio going either way. The * box is not behind any
sort of firewall or nat. My H323 client (gnomemeeting) is behind NAT but I
have it set up properly to work through NAT and it will talk correctly
with my other regular x86 box running H323. One odd thing I note is that
when looking at the UDP traffic
2017 Jan 21
1
How to handle INT8 data
To summarise this thread, there are basically three ways of handling int64 in R:
* coerce to character
* coerce to double
* store in double
There is no ideal solution, and each have pros and cons that I've
attempted to summarise below.
## Coerce to character
This is the easiest approach if the data is used as identifiers. It
will have some performance drawbacks when loading and will
2017 Jan 20
2
How to handle INT8 data
Hi,
I do have < INT_MAX.
This looks attractive but since they are unique identifiers, storing
them as factor will be likely to be counter-productive. (a string
version + an int32 for each)
I was looking to https://cran.r-project.org/web/packages/csvread/index.html
This looks like a good feet for my needs.
Any chances such an external package for int64 would be integrated in core ?
Le 20
2017 Jan 20
4
How to handle INT8 data
Well I definitely cannot use them as numeric because join is the main
reason of those identifiers.
About int64 and bit64 packages, it's not a solution, because I am
releasing a dataset for external users. I cannot ask them to install a
package in order to exploit them.
I have to be very carefull when releasing the data. If a user just use
read.csv functions, they by default cast the
2017 Oct 06
2
Importando mal los datos
Gracias Carlos,
Me lo ha solucionado, pero..
¿Por que es necesario instlara ese paquete?
Un saludo
Jesús
________________________________
De: Carlos Ortega <cof en qualityexcellence.es>
Enviado: viernes, 6 de octubre de 2017 14:51
Para: Jesús Para Fernández
Cc: r-help-es en r-project.org
Asunto: Re: [R-es] Importando mal los datos
Instala el paquete "bit64"....
Saludos,
Carlos
2024 Sep 23
0
bit, bit64, ff and greeNsort
Dear package maintainers,
Dear users of packages `bit`, `bit64`, `ff`,
Everyone interested in sustainable sorting algorithms,
I submitted updated versions for the upcoming R 4.5.0. The are only
minor changes (see the NEWS files) but there is one important change in
bit64:
??? o setting options(integer64_semantics="new")
????? gives the better semantics suggested by Ofek Shilon.
2024 Sep 23
0
bit, bit64, ff and greeNsort
Dear package maintainers,
Dear users of packages `bit`, `bit64`, `ff`,
Everyone interested in sustainable sorting algorithms,
I submitted updated versions for the upcoming R 4.5.0. The are only
minor changes (see the NEWS files) but there is one important change in
bit64:
??? o setting options(integer64_semantics="new")
????? gives the better semantics suggested by Ofek Shilon.
2018 Sep 24
0
Native 64 Integers
Dear R Developers,
I would like to pick up back again the issue of 64 bits integers with R:
http://r.789695.n4.nabble.com/Re-R-support-for-64-bit-integers-td2320024.html
*** CURRENT SITUATION ***
At the moment, as regards integers, all the following are the same type:
* length of an R vector
* R integer type
* C int type (Fixed at 32 bits: In practice)
* Fortran INTEGER type (Fixed at 32
2012 Feb 21
0
new package 'bit64' - 1000x faster than 'int64' sponsored by Google
Dear R-Core team,
Dear Rcpp team and other package teams,
Dear R users,
The new package 'bit64' is available on CRAN for beta-testing and
code-reviewing.
Package 'bit64' provides fast serializable S3 atomic 64bit (signed)
integers that can be used in vectors, matrices, arrays and data.frames.
Methods are available for coercion from and to logicals, integers,
doubles,
2012 Feb 21
0
new package 'bit64' - 1000x faster than 'int64' sponsored by Google
Dear R-Core team,
Dear Rcpp team and other package teams,
Dear R users,
The new package 'bit64' is available on CRAN for beta-testing and
code-reviewing.
Package 'bit64' provides fast serializable S3 atomic 64bit (signed)
integers that can be used in vectors, matrices, arrays and data.frames.
Methods are available for coercion from and to logicals, integers,
doubles,
2004 Nov 24
0
H323-Asterisk-SIP-TNT consultant needed
We are in urgent need of some help getting Asterisk to gateway between an
incoming H323 connection and SIP to a Lucent TNT. We have the incoming
H323 already set up and the SIP going to the TNT but the media stream is
getting lost somewhere as no audio is heard. We are willing to pay $$$ for
an extra set of eyes to get this resolved fast. It's probably something
quick and easy and we are just
2012 Nov 08
0
package bit64 with new functionality
Dear R community,
The new version of package 'bit64' - which extends R with fast 64-bit
integers - now has fast (single-threaded) implementations of the most
important univariate algorithmic operations (those based on hashing and
sorting). Package 'bit64' now has methods for 'match', '%in%',
'duplicated', 'unique', 'table',
2012 Nov 08
0
package bit64 with new functionality
Dear R community,
The new version of package 'bit64' - which extends R with fast 64-bit
integers - now has fast (single-threaded) implementations of the most
important univariate algorithmic operations (those based on hashing and
sorting). Package 'bit64' now has methods for 'match', '%in%',
'duplicated', 'unique', 'table',
2004 Jan 15
12
capacity testing
Hello all. I'm new to asterisk and have been using and testing it for about a week now. My initial hope has been to use it as a sip<->h323 gateway to tie SIP & H323 based ip phones together with my Cisco AS5300 and Lucent MaxTNT/MVAM networks.
I am currently running Asterisk 0.5.0 under Redhat 9 on a single PIII 800 with 256megs RAM. I have tried a couple CVS version from the past
2017 Oct 06
3
Importando mal los datos
Entendido... El otro dia lei un artículo sobre el efecto 2031 que versaba justo sobre eso....
Una duda mas. En la columna ID hay alguna fila que esta mal metida y tiene un caracter o algo que esta hacinedo que toda esa columna me la importe como un factor y no como un numero. ¿Como detecto esas filas que me están jo...?
Gracias Carlos!!!
________________________________
De: Carlos Ortega <cof
2017 Jan 20
9
How to handle INT8 data
Hello r users,
I have to deal with int8 data with R. AFAIK R does only handle int4
with `as.integer` function [1]. I wonder:
1. what is the better approach to handle int8 ? `as.character` ?
`as.numeric` ?
2. is there any plan to handle int8 in the future ? As you might know,
int4 is to small to deal with earth population right now.
Thanks for you ideas,
int8 eg:
human_id
2019 Jun 03
2
Converting non-32-bit integers from python to R to use bit64: reticulate
Thank you Martin for giving to know and developing 'Rmpfr' library for
unlimited size integers (GNU C GMP) and arbitrary precision floats (GNU C
MPFR):
https://cran.r-project.org/package=Rmpfr
My question is: In the long term (For R3.7.0 or R3.8.0):
Does it have sense that CMP substitutes INTSXP, and MPFR substitutes
REALSXP code? With this we would achieve that an integer is always an
2017 Oct 06
2
Importando mal los datos
Buenas chicos,
Estoy intentando importar el csv que adjunto y que tiene la siguietne forma:
"a";"b"
11092740;0
8978056137;0
Usando la funcion fread. Necesito usar la función fread por velocidad (lo que envio es un ejemplo simplificado pero que replica el error). El problema es que al importar los datos, usando:
datos<-fread(datos.csv,sep=";")
el campo a no lo
2018 Mar 13
2
64-bit integer type warning on windows
Dear list,
During the last two months, I spent a lot of time trying to remove the following warnings of my package randtoolbox:
congruRand.c:180:3: warning: ISO C does not support the 'I64' ms_scanf length modifier [-Wformat=]
sscanf(params[0], "%" PRIu64 "\n", &inp_mod);
Please see
2017 Jan 20
0
How to handle INT8 data
How many unique idenfiiers do you have?
If they are large (in terms of bytes) but you don't have that many of them
(eg the total possible number you'll ever have is < INT_MAX), you could
store them as factors. You get the speed of integers but the labeling of
full "precision" strings. Factors are fast for joins.
~G
On Fri, Jan 20, 2017 at 9:47 AM, Nicolas Paris