Displaying 7 results from an estimated 7 matches for "lbw".
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2009 Apr 26
1
Stochastic Gradient Ascent for logistic regression
Hi. guys,
I am trying to write my own Stochastic Gradient Ascent for logistic
regression in R. But it seems that I am having convergence problem.
Am I doing anything wrong, or just the data is off?
Here is my code in R -
lbw <-
read.table("http://www.biostat.jhsph.edu/~ririzarr/Teaching/754/lbw.dat"
, header=TRUE)
attach(lbw)
lbw[1:2,]
low age lwt race smoke ptl ht ui ftv bwt
1 0 19 182 2 0 0 0 1 0 2523
2 0 33 155 3 0 0 0 0 3 2551
#-----R implementation of logistic regression : gradient descent ---...
2015 Mar 26
2
Conectividad con Excel
...gt; library(RODBC)
Todo bien hasta aqui...
Se supone, que en esa librería hay unas funciones que me permiten conectar
con Excel, esas funciones son:
o -odncConnectExcel2007 o -odncConnectExcel
DE tal manera que ahora podría abrir una canal
> canalexcel <- odbcConnectExcel2007("lbw.xlsx")
Pues esas funciones no están. R me da el error
Error: no se pudo encontrar la función "odbcConnectExcel2007"
lo mismo con la otra función
> canalexcel <- odbcConnectExcel("lbw.xlsx")
Y lo curioso es que también me pasa algo similar con la otra posibilidad...
2012 Jan 04
1
[LLVMdev] generating ELF files on non-ELF platforms with MC
The existence of tools like Wine, LBW and several MachO loaders on Linux is a good indication that at least in most cases, it's possible to run code packaged in some container format on a system favoring another container. In the worst case, the dynamic loader may explicitly choke on some special features, but empirically it seems...
2012 Jan 04
0
[LLVMdev] generating ELF files on non-ELF platforms with MC
> Yes, what I mean is that I want to generate runnable Windows code, on Windows, but package in ELF as the object file. Note that there's absolutely no problem with this approach - in fact we have a functional prototype already.
> The reason for this is that I currently want to employ MC-JIT on both Linux and Windows, without implementing two separate runtime dynamic loaders. I want to
2011 Mar 10
1
3 dimensional MDS plots
...quot; "dims" "stress" "data" "distance" "converged"
[7] "tries" "species" "call"
> mdsg.mds$points
[,1] [,2]
Disc -0.75970137 0.82615812
Johns 1.09698866 -0.42726075
LBW -0.69603453 -0.21063881
Spbay -0.11433730 -0.03734453
BC 0.80952315 0.09556815
D 0.50518560 -0.24053747
E 0.22159986 0.04797842
G -0.40841770 -0.27384498
LMP 0.23686884 1.23858885
PC -0.87625155 -0.64825212
SH -0.01542367 -0.37041488
attr(,"centre")
[1] TRU...
2015 Sep 30
1
brass and chert / xapian port to Interix
...ends again disabled and the results of 'gmake check' when run on a machine with network access could be posted.
All of my work on the Interix port has been done on a hacked and modified SFU Interix 3.5 installation on XP Home.
- - -
Interix and mmap() semantics are mentioned here:
http://lbw.sourceforge.net/broken.html
2012 Jan 04
2
[LLVMdev] generating ELF files on non-ELF platforms with MC
> Is there an existing method to generate ELF objects with MC on
> Windows, without modifying MC?
Here "on windows" you mean you want to generate the ELF file with windows-specific code inside?
--
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University
--------------
Hi Anton,
Yes, what I mean is that I want to generate