Same here. I just did give it a second go with the current AppImage
(which works perfectly now). I didn't find anything "buggy" and there
isn't much to complain about (the most German compliment ever). I like
it! :-)

I don't have too many dives (86), and everything is open circuit, so
it's maybe a bit harder to get interesting statistics, but I did find:

  * My SAC sucks and didn't get much better over the years, but gets
    better at the end of the holidays. And less SAC in warmer water
    (makes sense, but I didn't think about it before I played around here)
  * Dives with a higher max depth are shorter (duh)
  * Buddy counts (Interesting!), total and over the years.
  * In my first year I had a suspicious high number of dives reaching
    exactly 18 meters...
  * And lots of other interesting insights.

It's really a nice feature to play around! But now I want to go diving :-(

Some Questions and remarks:

  * When I select date(yearly) as base variable and buddies as data, bar
    charts have a yellow warning in the drop down. Why's that?
  * The trend line does not always appear in the scatter graph. For
    example, when I select date (no binning) / depth, there is no trend
    line, except for when I filter out very shallow depths. For water
    temp over date I get a trend line right away. I'm sure that's
    correct and there is a statistical reason for this that I'm not
    aware of.
  * When I select Buddies over Date(yearly), and then grouped vertical
    bar chart, the bars are oddly spaced. I suspect that for every buddy
    there is a bar every year, even if the number is zero. This might
    make sense in some cases (for example water temperature), but in the
    buddy case it looks weird. Maybe add some "don't show empty bars"
    option for the grouped bar charts?
  * Is there some Export functionality planned? For example simple image
    export of the graph?
  * For me the Filter GUI seems a bit unintuitive. When there is no
    constraint present, it's not very obvious that constraints can be
    added (the button is in an odd place). A change to make it more
    obvious could be to add a "Constraints" heading below the fulltext
    search, and move the button there? And maybe also display a "No
    constraints" text when no constraint is set? I really like the
    "Filter sets" functionality!
  * What I didn't find was an "Average depth" variable, this would maybe
    also be interesting to add.
  * "Dive number" as Base Variable would maybe make sense to show
    changes over number of dives. This would be interesting for me since
    I go diving once or maybe twice a year, so when I use non-binned
    date as base variable, there are basically vertical lines in the
    scatter plot (see below).

What would be really nice, but might be complicated to implement, would
be to have a kind of "Zoom" or "Select" possibility to add constraints.
For example my Depth over Date Scattergraph looks like this:

Now to have a look at a single holiday I can add a constraint over a
range of dates, for example 1.1.2017 to 1.1.2018. This works fine! But
the cherry on top would be if I could simply drag a rectangle over the
points in 2017, and set the constraints like this (Sort of a "Zoom into
range" functionality).

Best regards
Christof

On 08.01.21 21:42, Martin de Weger via subsurface wrote:
> I have played with it a bit, and it looks great. I haven’t looked into
> it deep enough to say I actually tested it. 
>
>>
>> Op 8 jan. 2021 om 21:33 heeft Dirk Hohndel via subsurface
>> <subsurface@subsurface-divelog.org> het volgende geschreven:
>>
>> 
>>
>>> On Jan 3, 2021, at 5:17 PM, Dirk Hohndel <d...@hohndel.org
>>> <mailto:d...@hohndel.org>> wrote:
>>>
>>>
>>>
>>>> On Jan 3, 2021, at 3:44 PM, Dirk Hohndel via subsurface
>>>> <subsurface@subsurface-divelog.org
>>>> <mailto:subsurface@subsurface-divelog.org>> wrote:
>>>>
>>>> Right, I didn't test the AppImage. Silly me. I'll add that to my list.
>>>
>>> AppImage is fixed, also Subsurface now reacts more gracefully if the
>>> QtCharts QML modules can't be found.
>>> Instead of a crash the statistics chart is simply empty. What we
>>> really need is a reasonable error message (or alternative disable
>>> the statistics entry in the menu.
>>> But this is at least a step in the right direction.
>>>
>>> New AppImage should appear in downloads/test in the next few minutes
>>> as Subsurface-v4.9.10-235-gc63994f77-x86_64.AppImage
>>> This one was tested on a couple of different Linux flavors...
>>
>> So we have working binaries for all platforms, but we have heard
>> basically no feedback on the new statistics feature.
>> No indication that anyone has tested this, likes it, hates it, has
>> suggestions.
>>
>> It's really hard to develop in a vacuum. And it's a bit frustrating, too.
>>
>> I know that guilt-tripping people into doing things simply doesn't
>> work. Berthold, Willem, and I will continue to just work along.
>> But we sure would appreciate some input. Even if it is just a simple
>> "this is the best software ever written in the universe"...
>>
>> Thanks and have a great weekend
>>
>> /D
>>
>>
>> _______________________________________________
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>
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