[R] A humble request

Richard O'Keefe r@oknz @end|ng |rom gm@||@com
Sun Jul 3 15:15:18 CEST 2022 

I'm not quite sure what "source the fonction" means.
The wmtsa package is available from the archive as a
compressed archive wmtsa_2.0-3.tar.gz.
% tar xf wmtsa_2.0-3.tar.gz
creates a directory wmtsa/ with subdirectories
wmtsa/man and wmtsa/R plus some other files.
The documentation is in wmtsa/man/*.md
The source code is in wmtsa/R/*.R
You look at either using whatever text editor you feel like.
Looking at wav_xform.R I see hundreds of lines of code
that only a mother could love, with a good table of contents
but no really informative comments anywhere.
I am reminded, as too often, that there are people who develop packages for
R, and there are software engineers, but there are precious few software
engineers developing packages for R.
As it happens, I *am* a software engineer (amongst other things),
and I do have a tolerably good knowledge of base R, and a high tolerance
for looking things up in the documentation.  But I would have to be paid
quite a large sum of money before I would spend any time on this
code-base.  There are other currently maintained packages that might be
able to do the job, so it would be a waste of my time.

My advice is
  DON'T spend any time looking at this code.
  An R beginning WON'T understand it.
  DO ask your supervisor help you to select an alternative,
  and if you can't figure that out between you,
  ASK a more informative question.



On Mon, 4 Jul 2022 at 00:38, John Kane <jrkrideau using gmail.com> wrote:

> Spenser,
> the idea to source the fonction makes sense but since tho OP is a very
> new beginner perhaps you could point him towards code showing him how
> to do this?  I have never done this AFAIR, and while I suspect a few
> minutes googling would show me how, it is likely to be more difficult
> for a noobie.
>
> On Sun, 3 Jul 2022 at 07:25, Spencer Graves
> <spencer.graves using effectivedefense.org> wrote:
> >
> > Muhammad Zubair Chishti:
> >
> >
> >           What specifically have you tried?  What were the results?
> >
> >
> >           Please "provide commented, minimal, self-contained,
> reproducible
> > code", per "the posting guide
> > http://www.R-project.org/posting-guide.html", as indicated in at the end
> > of each email in this thread.
> >
> >
> >           And don't overlook the suggestion I made:  Download the
> archived
> > package.  Do NOT try to compile it. Instead source only the function you
> > want, try to run it.  With luck, it will work.  If it doesn't, you will
> > get a diagnostic that can help you take the next step.
> >
> >
> >           Spencer
> >
> >
> > On 7/3/22 1:28 AM, Andrew Simmons wrote:
> > > It seems like this package was archived because package "ifultools"
> > > was archived. I tried installing "ifultools" from source, but it has a
> > > seriously large amount of C compilation issues. The main issue seems
> > > to be that variable PROBLEM was never defined anywhere, and it is
> > > unclear what its definition should be. Unfortunately, as far as I can
> > > tell, this issue is unfixable. If you want to install "wmtsa", you'll
> > > have to use an older version of R. Otherwise, you can use one of the
> > > other wavelet analysis packages that Richard O'Keefe mentioned.
> > >
> > > On Sun, Jul 3, 2022 at 2:01 AM Muhammad Zubair Chishti
> > > <mzchishti using eco.qau.edu.pk> wrote:
> > >>
> > >> Dear Respected Experts and specifically Professor Richard O'Keefe,
> > >> Thank you so much for your precious time and generous help. However,
> the
> > >> problem is still there and I am just unable to resolve it due to the
> lack
> > >> of expertise in R. Still, the hope is there. I believe that this
> platform
> > >> can help me.
> > >>
> > >> Regards
> > >> Muhammad Zubair Chishti
> > >> School of Business,
> > >> Zhengzhou University, Henan, China
> > >> My Google scholar link:
> > >> https://scholar.google.com/citations?hl=en&user=YPqNJMwAAAAJ
> > >> My ReseachGate Profile:
> > >> https://www.researchgate.net/profile/Muhammad-Chishti
> > >>
> > >>
> > >> On Sun, Jul 3, 2022 at 9:11 AM Richard O'Keefe <raoknz using gmail.com>
> wrote:
> > >>
> > >>> A postscript to my previous comment.
> > >>> I used to supervise PhD students.
> > >>> Let me advise you to write this issue up as a draft section for your
> > >>> thesis.
> > >>> 1. Why I wanted to use the wmtsa package.
> > >>> 2. Why I didn't.
> > >>> 3. How I went about selecting a replacement.
> > >>> 4. What I chose and why that's the right choice.
> > >>> 5. How the analyses I wanted to do are done in
> > >>>     package X and what difference it makes.
> > >>>
> > >>> Off the top of my head, the only reasons for struggling to use an old
> > >>> package are to try to replicate someone else's results and/or to try
> to use
> > >>> their software (built atop the dead package) with new data.  Well,
> if you
> > >>> get different results, that's interesting too, and then it's time to
> work
> > >>> harder to resurrect the dead package.
> > >>>
> > >>> Speaking of which, an easier route might be to set up a separate
> > >>> environment running an old version of R that *can* run the old code
> and the
> > >>> old code's dependencies.  In fact trying to use the same versions
> that the
> > >>> work you're trying to reproduce used might make a lot of sense.
> > >>>
> > >>> Overall, I think selecting an alternative package
> > >>> that *is* currently maintained is the best use of your time, but your
> > >>> supervisor should be able to help you with that.  Selecting
> appropriate
> > >>> packages is part of doing research, after all, and demonstrating
> > >>> that you can do it is all to the good, no?
> > >>>
> > >>>
> > >>> On Sun, 3 Jul 2022 at 15:24, Richard O'Keefe <raoknz using gmail.com>
> wrote:
> > >>>
> > >>>> Can we start a step back please?
> > >>>> wmtsa stands for
> > >>>>    Wavelet Methods for Time Series Analysis.
> > >>>>
> > >>>> OK, so you have some time series data,
> > >>>> and for some reason you want to analyse
> > >>>> your data using wavelets.  No worries.
> > >>>> But does it have to be THIS unmaintained
> > >>>> package?
> > >>>>
> > >>>> Why not visit
> > >>>>
> > >>>> https://CRAN.R-project.org/view=TimeSeries
> > >>>> and search for "wavelets" in the text?
> > >>>> Oh heck, I might as well do it for you.
> > >>>> <snip>
> > >>>> *Wavelet methods* : The wavelets
> > >>>> <https://cran.r-project.org/web/packages/wavelets/index.html>
> package
> > >>>> includes computing wavelet filters, wavelet transforms and
> multiresolution
> > >>>> analyses. Multiresolution forecasting using wavelets is also
> implemented in
> > >>>> mrf <https://cran.r-project.org/web/packages/mrf/index.html>.
> WaveletComp
> > >>>> <https://cran.r-project.org/web/packages/WaveletComp/index.html>
> > >>>> provides some tools for wavelet-based analysis of univariate and
> bivariate
> > >>>> time series including cross-wavelets, phase-difference and
> significance
> > >>>> tests. biwavelet
> > >>>> <https://cran.r-project.org/web/packages/biwavelet/index.html> is
> a port
> > >>>> of the WTC Matlab package for univariate and bivariate wavelet
> analyses.
> > >>>> mvLSW <https://cran.r-project.org/web/packages/mvLSW/index.html>
> > >>>> provides tools for multivariate locally stationary wavelet
> processes.
> > >>>> LSWPlib <https://cran.r-project.org/web/packages/LSWPlib/index.html
> >
> > >>>> contains functions for simulation and spectral estimation of locally
> > >>>> stationary wavelet packet processes. Tests of white noise using
> wavelets
> > >>>> are provided by hwwntest
> > >>>> <https://cran.r-project.org/web/packages/hwwntest/index.html>.
> Wavelet
> > >>>> scalogram tools are contained in wavScalogram
> > >>>> <https://cran.r-project.org/web/packages/wavScalogram/index.html>.
> > >>>> Further wavelet methods can be found in the packages rwt
> > >>>> <https://cran.r-project.org/web/packages/rwt/index.html>, waveslim
> > >>>> <https://cran.r-project.org/web/packages/waveslim/index.html>,
> wavethresh
> > >>>> <https://cran.r-project.org/web/packages/wavethresh/index.html>.
> > >>>> </snip>
> > >>>>
> > >>>> Presumably there is a reason that nobody else has
> > >>>> bothered to continue maintaining wmtsa.  Perhaps
> > >>>> one of those other wavelets + time series packages
> > >>>> can do what you need?
> > >>>>
> > >>>>
> > >>>> On Sun, 3 Jul 2022 at 04:12, Muhammad Zubair Chishti <
> > >>>> mzchishti using eco.qau.edu.pk> wrote:
> > >>>>
> > >>>>> Dear Experts,
> > >>>>> I cannot find a package "wmtsa" for my R version "R 4.2.0". Kindly
> help
> > >>>>> me
> > >>>>> to find it or share the link with me.
> > >>>>> Although I tried the old version of "wmtsa" but failed.
> > >>>>> Thank you for your precious time.
> > >>>>>
> > >>>>> Regards
> > >>>>> Muhammad Zubair Chishti
> > >>>>>
> > >>>>>          [[alternative HTML version deleted]]
> > >>>>>
> > >>>>> ______________________________________________
> > >>>>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > >>>>> https://stat.ethz.ch/mailman/listinfo/r-help
> > >>>>> PLEASE do read the posting guide
> > >>>>> http://www.R-project.org/posting-guide.html
> > >>>>> and provide commented, minimal, self-contained, reproducible code.
> > >>>>>
> > >>>>
> > >>
> > >>          [[alternative HTML version deleted]]
> > >>
> > >> ______________________________________________
> > >> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > >> https://stat.ethz.ch/mailman/listinfo/r-help
> > >> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > >> and provide commented, minimal, self-contained, reproducible code.
> > >
> > > ______________________________________________
> > > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > > https://stat.ethz.ch/mailman/listinfo/r-help
> > > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
> John Kane
> Kingston ON Canada
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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