Re: [rkward-devel] Some thoughts on switching project hosting

2014-10-05 Thread Thomas Friedrichsmeier
Hi,

putting Mario in CC, as he might be able to clear up some details, esp. with 
respect to what hosting on kde.org would mean. (Mario was in BCC in my first 
mail, as I wasn't sure, whether that email address was ok to use in public).

On Sunday 05 October 2014 17:12:46 meik michalke wrote:
> Am Sonntag, 5. Oktober 2014, 09:27:57 schrieb Thomas Friedrichsmeier:
> > That _is_ a discussion worth having, but right now, my goal is to explore
> > what hosting requirements we have, and how we would go about migrating in
> > order to ensure a mostly smooth transition.
> 
> i'm glad this comes up :-)
> 
> i don't know so much about the infrastructure of KDE, but having seen how
> smooth it is to host stuff on github, it sure is time to think about a
> migration, carefully.

I think github and kde.org are probably not entirely mutually exclusive, 
although I'm not so keen on spreading the project across ever more service 
providers. But of course as git is a distributed VCS, boundaries are much less 
absolute in either direction.

I don't know too much detail about KDE's offerings and requirements for 
projects, myself, but here's an initial list of pros and cons, based on my 
understand so far:

Access control:
- On KDE we won't have close control over who can commit - err push - and who 
can't. On the other hand, this might encourage contributions from the KDE 
community.

Code policies:
- On github.com we'd have all freedom. On KDE.org, applications are expected 
to comply with a few rules 
(https://techbase.kde.org/Policies/Application_Lifecycle). This could actually 
be a bit of a problem, as so far we have been deliberately _not_ following 
certain developments in order to keep backwards compatibility with earlier 
kdelibs releases as much as possible.
@Mario: Background is that a good deal of our users is highly conservative 
about updating anything on their system _except_ jumping head-first to each 
new release of R. Problem is that fairly often, new release of R required 
changes on our side. So our latest code always had to be both forward 
compatible with the latest R, and backwards compatible with pretty dated 
kdelibs. Of course, when porting to KF5, we'll have to make a clean cut, 
anyway. However in the not too distant future, we may again want to stay 
behind on some changes in KDE. Exactly how much of the problem is that?

Bug tracking:
- On github, we'd have a separate tracker for ourselves. On kde.org we'd be 
yet another category inside a huge bugzilla. OTOH, this would make it much 
easier to forward kdelibs-/ktexteditor-related bugs, or even weed these out on 
submission (if they have been reported, before).
- I don't think there are any fundamental differences regarding integration of 
bug tracking with wiki / commits / etc.

Web hosting:
- KDE.org offers projects subdomains of kde.org (@Mario: Only once accepted 
into extragear, or already in earlier phases?). AFAICS we'd have pretty much 
all the flexibility we'll ever need, there. Not sure on the maintainance 
burden, though. Github seems much more reduced in comparison. I think for the 
project's main user-facing landing page, github just isn't shiny enough.

Downloads:
- @Mario, how exactly are KDE extragear projects expected to distribute 
(binary) files? Are there any limits on what / how much can be offered for 
download?

Wiki:
- KDE has some central wikis (techbase, community, userbase), although the 
division between these has always been confusing to me. On github the wiki 
would remain separate. Probably we could host a custom wiki on rkward.kde.org, 
too.

Translations:
- KDE has a translations team, that hopefully will help us out. On github, 
we'd have to stick with a separate solution (currently 
translations.launchpad.org).

Other tools:
- KDE.org has reviewboard, which I like a lot. I don't have first hand 
experience with pull requests on github.

Community:
- On KDE.org there's definitely more hope that skilled folks will help us with 
certain tasks. If it's not coding or documentation, it might still be 
packaging. IMO, that's probably the biggest selling point for kde.org.

The brand:
- Regardless of how we feel about either brand, we're technically bound to KDE 
for good, anyway.

What I think so far:
- Hosting on KDE.org seems rather natural for a KDE project targetting end 
users. The biggest question is whether we can and want to follow all rules 
KDE.org expects from us.

--

> how about something along these lines:
> 
>  - we make RKWard 0.7.x the first KDE FW5 release branch
>- it starts with a new git repo, no matter where
> 
>  - RKWard 0.6.x remains as the KDE 4 branch, at least as long as 4.14 is
>commonly used; it will however only get bug fixes, development focusses
>on 0.7.x
>- it stays on sf.net SVN
>- later on, it can be moved to git as well, which shouldn't be so painful
> because there's no urgency

Mostly agreed, except for developing one branch in SVN and the other in git. 
Ch

Re: [rkward-devel] Some thoughts on switching project hosting

2014-10-05 Thread meik michalke
hi,

Am Sonntag, 5. Oktober 2014, 09:27:57 schrieb Thomas Friedrichsmeier:
> That _is_ a discussion worth having, but right now, my goal is to explore
> what hosting requirements we have, and how we would go about migrating in
> order to ensure a mostly smooth transition.

i'm glad this comes up :-)

i don't know so much about the infrastructure of KDE, but having seen how 
smooth it is to host stuff on github, it sure is time to think about a 
migration, carefully.

how about something along these lines:

 - we make RKWard 0.7.x the first KDE FW5 release branch
   - it starts with a new git repo, no matter where

 - RKWard 0.6.x remains as the KDE 4 branch, at least as long as 4.14 is
   commonly used; it will however only get bug fixes, development focusses 
   on 0.7.x
   - it stays on sf.net SVN
   - later on, it can be moved to git as well, which shouldn't be so painful 
 because there's no urgency

as a side node: github has wikis for its projects, and kind-of offers 
downloadable binary files: https://github.com/blog/1547-release-your-software
but it's probably easier to host bundles somewhere else.


viele grüße :: m.eik

-- 
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  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf

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Re: [rkward-devel] power analysis plugin

2014-10-05 Thread meik michalke
hi,

Am Sonntag, 5. Oktober 2014, 14:49:40 schrieb Thomas Friedrichsmeier:
> On Sunday 05 October 2014 12:00:05 meik michalke wrote:
> > i also fixed the sample size controls for two sample designs, and added
> > the
> > possibility to provide eta squared instead of cohen's f.
> 
> a thought on that: For two samples, you could hide the "number of
> observations _per sample_" note.

ok, i'd have to change the spinbox label then, to make it clear that these 
numbers represent the sample size. but you're right of course, when there's 
two of them it's obvious it's per sample ;-)

i'm amazed that almost half of that plugin code already is logic rules.

> That might even help work around the squeezing you get when switching from
> single sample to two samples (depending on dialog height).

that's still an annoying bug, isn't it? by the way, while working on this i 
came to notice that the squeezing only happens on my laptop, not on my desktop 
machine -- both run the same distro, KDE and Qt versions and, from what i can 
see, use the same desktop theme, window layout stlye etc.

on my desktop, the window is always resized accordingly (it only never shrinks 
after it had grown due to new elements appearing).

> Another thing is: Considering this looks fairly finished (apart from
> documentation), and useful to a wide audience, should we make this part of
> the 0.6.2 release?

sure, why not. would someone jump in to do write the help file? ;-)

how would you like to do this? generally, i'd prefer to add it as a kind of 
bundle, so it remains a plugin on its own, at least so it can be disabled 
easily in the plugin configuration. this makes it easier to release updates of 
that part without having to wait for another RKWard release. but that's 
probably a bit more complex to do right, at least for the debian packaging?

> On a more general note, which external plugins are "ready" for inclusion?

don't you think the menus might get a bit to crowded if we include it all? 

perhaps we can re-think the plugin installations process instead, to make it 
more obvious which plugins are available (at least the ones in our own repo). 

that said, i think the plugins for ANOVA, factor and cluster analysis are 
quite useable -- except they all lack docs...

> (Well, yes, I really should have thought about this, earlier. OTOH, I think
> there is a point for releasing 0.6.3 rather shortly after 0.6.2 - i.e.
> before end of this year - anyway. This could include dynamic i18n for
> plugins, and some other bits that are mostly orthogonal to porting to KF5,
> technically.)

you mean like a restart button for the R backend? :-D


viele grüße :: m.eik

-- 
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  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf

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Re: [rkward-devel] power analysis plugin

2014-10-05 Thread Thomas Friedrichsmeier
Hi,

On Sunday 05 October 2014 12:00:05 meik michalke wrote:
> i also fixed the sample size controls for two sample designs, and added the
> possibility to provide eta squared instead of cohen's f.

a thought on that: For two samples, you could hide the "number of observations 
_per sample_" note. That might even help work around the squeezing you get 
when switching from single sample to two samples (depending on dialog height).

Another thing is: Considering this looks fairly finished (apart from 
documentation), and useful to a wide audience, should we make this part of the 
0.6.2 release? On a more general note, which external plugins are "ready" for 
inclusion?

(Well, yes, I really should have thought about this, earlier. OTOH, I think 
there is a point for releasing 0.6.3 rather shortly after 0.6.2 - i.e. before 
end of this year - anyway. This could include dynamic i18n for plugins, and 
some other bits that are mostly orthogonal to porting to KF5, technically.)

Regards
Thomas

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Re: [rkward-devel] Some thoughts on switching project hosting

2014-10-05 Thread Aaron Batty
I gotta say, git is reeeally easy to use on the Mac...
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[rkward-devel] please test: new plugin for power analysis

2014-10-05 Thread meik michalke
hi,

here's a new RKWard plugin for you to have a look at: rk.power

screenshot:
 http://reaktanz.de/stuff/R/screenshot_RKWard_power.png
in our repo:
 http://rkward.sourceforge.net/R/pckg/rk.power/index.html

if you're using the repo's debian packages, you can get it via

  sudo aptitude install r-other-rkward-rk.power

it uses the pwr package for calculation, so r-cran-pwr is a good addition, if 
you find it in your repositories.

this is version 0.01-1, so please send me your bug reports and desired 
features for future releases ;-)


viele grüße :: m.eik

-- 
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  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf

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Re: [rkward-devel] power analysis plugin

2014-10-05 Thread meik michalke
hi,

Am Samstag, 4. Oktober 2014, 12:08:49 schrieb meik michalke:
> Am Samstag, 4. Oktober 2014, 10:34:58 schrieb Thomas Friedrichsmeier:
> > - Don't forget to require(pwr)

fixed.

> > I figured out that for "less" you want to specify a _negative_ effect size
> > (and in fact, you can't enter that in the GUI).
> 
> good catch. yes, right now effect sizes can't be negative, i'll try to come
> up with something.

effect size range now covers -1 to 1 globally. it's pretty usual for 
correlations, at least.

> > I suggest, either going with "greater", only, or showing a warning, when
> > the specified effect size contradicts the hypothesis.
> 
> if i take the first road and go astray from the pwr options, i'll probably
> rename "greater" to something like "one sided test (first is greater)".

i included a warning instead. it's also shown if you give a negative effect 
size for the other alternatives, respectively.

> > - I wouldn't write the results to the workspace _by default_.

fixed.

i also fixed the sample size controls for two sample designs, and added the 
possibility to provide eta squared instead of cohen's f.

to make it easier to test, i've released 0.01-1 last night.


viele grüße :: m.eik

-- 
  dipl. psych. meik michalke
  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf

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[rkward-devel] Some thoughts on switching project hosting

2014-10-05 Thread Thomas Friedrichsmeier
Hi!

Recently, there has been more than one reason to be not-so-happy with our 
current project hosting (i.e. SourceForge.net). At the same time the "git" 
version control system gains more and more friends, and some people have 
suggested switching from SVN to git. Furthermore, KDE has become a much less 
monolithical environment (especially, but not only, in its new instantiation 
"frameworks").

All of these are good reasons to re-consider our hosting options. I think, the 
most obvious choices would be:
- Staying on SF, and keeping everything as is
- Staying on SF, but switching to a git repository
- Moving project hosting to github.com
- Advantage of having a rapidly growing community
- Moving project hosting to kde.org
- Advantage of being the community working on the same platform, and 
thus 
having the most obvious potential for synergies.

Well, the point of this mail is not really to discuss the pros and cons of 
each of these options. That _is_ a discussion worth having, but right now, my 
goal is to explore what hosting requirements we have, and how we would go 
about migrating in order to ensure a mostly smooth transition.

I'll let you know that I'm currently leaning towards kde.org, though. Please 
feel free to start a debate on this, esp. if you would favor another solution.

--

So: What services do we use, and what should we keep in mind about each:

1. Version control: Our needs here are fairly straight-forward. However, some 
things to consider when migrating.
- Links to SVN location are at a bunch of places:
- Our wiki
- MacPorts port file
- Windows emerge build file
- (Purely informational also in Debian/Ubuntu package)
- Possibly other packages, we are not directly involved with
- Some people build from SVN, regularly
- Our Ubuntu daily builds on launchpad use a mirror of our SVN
- Launchpad translations syncs the message template from our SVN

Some of this may become obsolete when migrating (at least the launchpad 
translations, when migrating to kde.org). However, to ensure a somewhat smooth 
transition, we will probably have to make sure to keep our SVN at SF.net alive 
for quite a while, probably as a mirror of our primary VCS, then.

2. Wiki and Web: Our "project web", i.e. the pages under http://rkward.sf.net 
mostly consist of a MediaWiki installation. I think that still makes a lot of 
sense, so we'll want to migrate that 1:1. Further we have a few plain HTML-
files (importantly the building-plugins docu), and some PDFs. Also an apt-
gettable repository of Debian packages.

References to our project pages are all over the place, including compiled 
into RKWard itself. So we absolutely want to set up some sensible redirects, 
and these should be active for quite some time.

3. Bug and feature tracker: These are a custom brew by SF.net ("Allura"). I 
don't know, whether there is a smooth migration path to bugzilla, yet. If 
possible, we'd like to migrate both open and closed bugs. Even closed tickets 
are still valuable for later reference, at times.

In this respect, there is a further problem to solve: A bunch of comments in 
the code, and commit messages references bug tickets. There should always be a 
way to resolve these to an existing URL (this needs not be a really user-
friendly way, though).

The location of our bug tracker compiled into RKWard is now an automatic 
redirect. However, non-redirecting links will be found in the wiki, and 
probably other places.

4. Mailing lists
Anyone with experience in migrating mailing lists (mailman) to a new hostname? 

Links to the rkward-de...@sf.net list are all over the net, I'm afraid, and 
also compiled into RKWard. Thus the old address(es) should remain active for a 
fair amount of time to come (but could be forwarding to the new mailing 
lists).

It would be nice to keep the archive at 
http://www.mail-archive.com/rkward-devel@lists.sourceforge.net/ functional. As 
with bug tickets, many code 
comments and commit messages contain references to mails. Links to mails in 
the archive will also be found in the wiki.

5. Forums
The public forums were never too active. But they were used for discussing 
issues at times. Preserving those discussions for reference would be really 
nice, although this could be achieved with a simple HTML-mirror. A "true" 
import into another forum software is probably not necessary.

6. Downloads
Obviously we need to offer file downloads. This includes some pretty large 
files, esp. for the bundled binary releases (~150MB for Windows, ~400MB for 
MAC, source bundles up to 800MB). We even have one file of 2.7GB for download, 
currently (Windows build environment). These will probably get smaller, but 
not small after porting to KF5 (aka KDE 5).

--

Please fill in the bits I forgot. To sum it up, migrating to a new hosting is 
going to require a good deal of work. Some of you have been wondering, why 
I've taken a rather conservative stance on t