Scatter charts

[Tim]

Hi all,

Love Golden Cheetah. Recently I have been exporting LTM data out and manipulating in Excel, drawing scatter plots of things such as CTL:20min AP bests or CTL:120min NP bests which relate to my races. 

Would this be possible in GC? The 2d charts appear to only have ride metrics not LTM although I could easily be missing something.

Tim

[Mark Liversedge]

Its definitely something I want to add, but not possible currently.

[Pete from AUS]

Is compare mode for 2d plots on the horizon by any chance?

[Tim]

Thanks,

Merry Christmas GC devs & users!!

[Mark Liversedge]

Its done and in 3.11, Damien added it.

He's also added trend lines and smoothing too :)

Mark

[Pete from AUS]

Great!
Looking forward to some AEPF v Power comparisons ;)

[Jean Div]

Hi All

Not quite sure that I'm asking the same thing as Tim.. but I might be!

In a lot of the analysis that I do, I compare the same repeated efforts ITO duration (Power for bike, Pace for Run) against HR.. lower HR at the same pace/power or more pace/power at the same HR shows progress. I have not found a neat way to do this in GC, and I export the tables from Summary to Excel for plotting. It feels like I'm missing something here and this should be doable though..

SCATTER IN COMPARE MODE

Looking at what comes close, on the scatter chart in 'compare mode', I'm looking to plot single datapoints for the avg. Power/Pace against HR in the compare pane. Currently the scatter will show all the datapoints which includes a lot of 'noise' datapoints, as below.

SCATTER IN NORMAL MODE:

This comes even closer, as there is a 'big' avg point for each of the laps (as below), but then I cant drag in other similar intervals (e.g. the week before) for comparison. Also when I scroll over the datapoint, it doesnt give me any detail on the data (Date, etc). Rather it highlights the full set of points.

Is there an easy way to plot the interval avg. metrics only, rather than the full dataset? I have a feeling that this comes quite close to the 'interval view' that Mark proposes here.

Any suggestions..?

Ta,

Jean

[Mark Liversedge]

This is planned for 3.3; scatter plot of ride/interval metrics (as opposed to a single ride data series).

Mark

[Ale Martinez]

El viernes, 4 de septiembre de 2015, 9:22:01 (UTC-3), Jean Div escribió:

In a lot of the analysis that I do, I compare the same repeated efforts ITO duration (Power for bike, Pace for Run) against HR.. lower HR at the same pace/power or more pace/power at the same HR shows progress. I have not found a neat way to do this in GC, and I export the tables from Summary to Excel for plotting. It feels like I'm missing something here and this should be doable though..

Just a sidenote not related to scatter charts, but to Power/Pace relation to HR: the Efficiency Factor metric (NP/HRavg) was extended in 3.2 to cover also running workouts (xPace/HRavg) according to this.

[Jean Div]

Thanks Ale.. I had not used EF before. Have included it in my 'summary' tab to start tracking and see how it works out for me.

When this does eventually land in 3.3, it would be great to have:

1. The ability to colour code points/shape points (cross/circle/square/etc) by date to make it easier to see improvements e.g. 3 x 10m of this month vs. last month would be easier to identify, perhaps with a legend to match.

2. The ability to collapse all datapoints into a single one as the avg. for all sets on a given date. Perhaps a tickbox, similar to 'frame intervals' called something like 'collapse days' - not precious on wording. (What does 'frame intervals' do anyway?). This is good for a very high-level summary, before looking at more detail of individual intervals.

3. Hover-over datalabels for when the cursor goes onto a datapoint including: Workout Title, Date, Avg. X, Avg. Y

4. The ability to change the X/Y variables, so could be HR/Power or RunPace (Min/km) or SwimPace (Min/100m), or something else entirely.

I have been copy/pasting between excel to do this in the past, so would be great to have this built in.

Hope thats clear. Just my 2c

Thanks again,

Jean

[Jean Div]

Hey Mark

Just DL'd v4.0, and busy playing with the laps and intervals.. Just wanted to check and see if any of these scatters or lap analysis (histograms, etc) has been included..?

Ta,

Jean

[Miguel Andrade]

Not related to the discussion above but I am looking for a way to see the trend line equation of the scatter plots better or in another place, with graphs with lots of points a lot of times the text is not visible. I looked for in appearance or other menus and I can't find a workaround to see the equation.

Thanks.

[Ale Martinez]

Hi Migue, I think there is no workaround for this, looking at the code it seems the equation is placed in a fixed position with a darker version of the same color: https://github.com/GoldenCheetah/GoldenCheetah/blob/fbd095a2d4b5d50478183439e29134d2b40e23aa/src/Charts/ScatterPlot.cpp#L852

[Miguel Andrade]

Thanks for the answer, Ale! (Just starting to use GC with Stryd) May be another place were I can lookup the formula?

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[Ale Martinez]

If you are using v3.6 (recommended) the new user chart is much more flexible: https://github.com/GoldenCheetah/GoldenCheetah/wiki/UG_Special-Topics_Working-with-User-Charts

[Miguel Andrade]

Downloading... (currently in 3.5)

On Thu, Nov 5, 2020 at 10:47 PM Ale Martinez <amtri...@gmail.com> wrote:

If you are using v3.6 (recommended) the new user chart is much more flexible: https://github.com/GoldenCheetah/GoldenCheetah/wiki/UG_Special-Topics_Working-with-User-Charts

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