search for: ashton

Displaying 20 results from an estimated 43 matches for "ashton".

2018 Feb 02
2
command line fails
Fascinating. The script runs fine in 3.2.5, but won't run in 3.4.3 even with ALL lines commented out. I have no idea what that means. I can't imagine I found a 3.4.3 bug no one knows about. Michael Ashton, CFA Managing Principal Enduring Investments LLC W: 973.457.4602 C: 551.655.8006 -----Original Message----- From: Duncan Murdoch [mailto:murdoch.duncan at gmail.com] Sent: Friday, February 02, 2018 9:03 AM To: Michael Ashton; r-help at r-project.org Subject: Re: [R] command line fails On 02/02...
2018 Feb 02
0
command line fails
On Fri, 02 Feb 2018, Michael Ashton writes: > Where can I get the patch? I've never installed a patch for R...usually just upgrade. > > Michael Ashton, CFA > Managing Principal > > Enduring Investments LLC > W: 973.457.4602 > C: 551.655.8006 > The patched build (i.e. a complete version, not just the p...
2018 Feb 02
2
command line fails
...this same manner, with the same path to the script itself, and they go off without a hitch. Although this is the first time I am using 3.4.3, and the only script I am using that version of R for at the moment. Having said that, I did TRY reversing the slashes and got the same result. :-) Michael Ashton, CFA Managing Principal Enduring Investments LLC W: 973.457.4602 C: 551.655.8006 -----Original Message----- From: Duncan Murdoch [mailto:murdoch.duncan at gmail.com] Sent: Friday, February 02, 2018 8:16 AM To: Michael Ashton; r-help at r-project.org Subject: Re: [R] command line fails On 02/02...
2018 Feb 02
0
command line fails
On 02/02/2018 8:20 AM, Michael Ashton wrote: > I don't think it's the path or the slashes. I run other files in this same manner, with the same path to the script itself, and they go off without a hitch. Although this is the first time I am using 3.4.3, and the only script I am using that version of R for at the moment. >...
2018 Mar 01
3
RExcel issues
...mand, but again...it worked for a long time and I don't think it's the inputs that are wonky. Perhaps an update of R was incompatible with Rexcel? I've updated Rexcel to 3.2.16 but it made no difference. Any suggestions of what to try will be warmly entertained! Thanks, Mike Michael Ashton, CFA Managing Principal Enduring Investments LLC W: 973.457.4602 C: 551.655.8006 [[alternative HTML version deleted]]
2018 Mar 01
0
RExcel issues
> On Mar 1, 2018, at 2:02 PM, Michael Ashton <m.ashton at enduringinvestments.com> wrote: > > Hi - > > For a while I've used RExcel without problems to run a repeating portfolio optimization problem where I solve for a portfolio allocation targeting a particular risk, then solve for a different risk, etc. I call the co...
2018 May 03
2
adding overall constraint in optim()
...ert > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Thu, May 3, 2018 at 10:52 AM, Michael Ashton > <m.ashton at enduringinvestments.com> wrote: >> Hi ? >> >> This is giving me a headache. I?m trying to do a relatively simple optimization ? actually trying to approximate the output from the Excel Solver function but at roughly 1000x the speed. ? >> >> Th...
2018 May 03
4
adding overall constraint in optim()
.../ (t(wgt.vect) %*% (cov.mat %*% wgt.vect)) LowerBounds<-c(0.2,0.05,0.1,0,0,0) UpperBounds<-c(0.6,0.3,0.6,0.15,0.1,0.2) OptimSolution<-optim(wgt.vect, fn=opt.fun, method="L-BFGS-B",lower=LowerBounds,upper=UpperBounds) Any thoughts are appreciated! Mike Michael Ashton, CFA Managing Principal Enduring Investments LLC W: 973.457.4602 C: 551.655.8006 [[alternative HTML version deleted]]
2018 May 04
0
adding overall constraint in optim()
On Thu, May 3, 2018 at 2:03 PM, Michael Ashton <m.ashton at enduringinvestments.com> wrote: > Thanks Bert. But everyone on that forum wants to use finance tools rather than general optimization stuff! And I am not optimizing a traditional Markowitz mean-variance problem. Plus, smarter people here. :-) > I'm very confused by thes...
2018 Feb 02
4
command line fails
...e file...it never even executes as far as I can tell. I'm calling it with C:\Program Files\R\R-3.4.3\bin\Rscript.exe "P:\Investments\Trading Tools\RV Tools\myfile.r" And again, it executes perfectly if I open the GUI first and then run it within R. Thanks for the help! Mike Michael Ashton, CFA Managing Principal Enduring Investments LLC W: 973.457.4602 C: 551.655.8006 [[alternative HTML version deleted]]
2018 May 06
1
adding overall constraint in optim()
...you sure that you have defined Mo.vect correctly? It is a scalar the way you have written it. 3. Similarly your definition of wgt.vect creates a scalar. HTH, Eric On Fri, May 4, 2018 at 5:18 AM, Joshua Ulrich <josh.m.ulrich at gmail.com> wrote: > On Thu, May 3, 2018 at 2:03 PM, Michael Ashton > <m.ashton at enduringinvestments.com> wrote: > > Thanks Bert. But everyone on that forum wants to use finance tools > rather than general optimization stuff! And I am not optimizing a > traditional Markowitz mean-variance problem. Plus, smarter people here. :-) > > >...
2017 Jun 23
0
Simple control structure issue
R is a case-sensitive language: 'if' (lowercase 'i') is a keyword and 'If' (uppercase 'I') is not. Bill Dunlap TIBCO Software wdunlap tibco.com On Fri, Jun 23, 2017 at 1:00 PM, Michael Ashton < m.ashton at enduringinvestments.com> wrote: > I am having a hard time with 'next'. I come from the "sloppy" school that > learned BASIC with Goto. > > Conceptually next seems pretty straightforward. I just can't get it to > work correctly in my code. He...
2018 Feb 02
0
command line fails
On 2/2/2018 4:52 AM, Michael Ashton wrote: > Hi - Think this is quick help. Not sure how to trap what is causing my simple script to run fine in R, but fail immediately when called from rscript. I can put all sorts of traps in the script itself, but when called from the command line the r window simply flashes and closes. > &g...
2018 May 03
0
adding overall constraint in optim()
...etter place for you to post your query. Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Thu, May 3, 2018 at 10:52 AM, Michael Ashton <m.ashton at enduringinvestments.com> wrote: > Hi ? > > This is giving me a headache. I?m trying to do a relatively simple optimization ? actually trying to approximate the output from the Excel Solver function but at roughly 1000x the speed. ? > > The optimization parameters l...
2017 Jun 23
2
Simple control structure issue
I am having a hard time with 'next'. I come from the "sloppy" school that learned BASIC with Goto. Conceptually next seems pretty straightforward. I just can't get it to work correctly in my code. Here's a stripped down version: WhichRunNow<-"Daily" Cnums=c(0,1,"2b3") Cpers=c("Daily","Daily","Weekly") for (j in
2010 Jul 07
1
SAM program and R mirror - which port to open?
...Due to the firewall at my hospital, R cannot connect to a mirror and therefore cannot install necessary files for the complete installation of SAM. The IT department has asked me which "port" needs to be opened so I can connect to a mirror. Thank you for your help, Cheers, Katie Katie Ashton PhD HMRI Bogner Cancer Research Fellow HMRI, Room 3642 Level 3, John Hunter Hospital Lookout Rd New Lambton Heights NSW, 2305 Australia Ph. +61 2 498 55663 Fax +61 2 498 55895 The University of Newcastle CRICOS Provider code: 00109J.
2018 Feb 02
0
command line fails
On 02/02/2018 7:52 AM, Michael Ashton wrote: > Hi - Think this is quick help. Not sure how to trap what is causing my simple script to run fine in R, but fail immediately when called from rscript. I can put all sorts of traps in the script itself, but when called from the command line the r window simply flashes and closes. > &g...
2004 Aug 02
1
R.dll
...on 1.90.30412.0, fault address 0x000b9864. Hanging application Rgui.exe, version 1.90.30412.0, hang module hungapp, version 0.0.0.0, hang address 0x00000000. 2/8 Faulting application rgui.exe, version 1.91.30621.0, faulting module r.dll, version 1.91.30621.0, fault address 0x0002a33c. Regards Ashton
2000 Aug 16
5
samba development
i started on the nt domains for unix project on the basis of paul ashton's enthusiastic and "this can't be too hard" attitude, back in august 97. since then, with the encouragement of a number of people over the last three years, and with the discouragement of others, the nt domains protocols are now pretty well understood. due to that constant disco...
2004 Sep 10
1
[Flac-users] Winamp 3 plugin
Hi all, I've installed the Winamp 2 plugin and it seems to work fine. However I wish to install the Winamp 3 plugin on another machine but can't find it anywhere. Where is it? Thanks Ashton __________________________________________________ Do you Yahoo!? New DSL Internet Access from SBC & Yahoo! http://sbc.yahoo.com