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Re: [tor-bugs] #33258 [Metrics]: Add CSV file export of graphed data



#33258: Add CSV file export of graphed data
-----------------------------------------+------------------------------
 Reporter:  karsten                      |          Owner:  metrics-team
     Type:  enhancement                  |         Status:  needs_review
 Priority:  Medium                       |      Milestone:
Component:  Metrics                      |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  metrics-team-roadmap-2020Q1  |  Actual Points:
Parent ID:  #33327                       |         Points:  1
 Reviewer:  anarcat                      |        Sponsor:  Sponsor59
-----------------------------------------+------------------------------

Comment (by karsten):

 Thanks for the feedback!

 I agree that these time plots with dots are not ideal. Their main purpose
 is to quickly check whether something has changed during the experiment
 that would affect measurements and that might be less visible in a
 distribution plot like the box plot, bar plot, or ECDF, all of which do
 not have time as an axis.

 One possibility to avoid the overplotting would be to reduce alpha to
 something like 0.5 or less. I'm attaching
 [https://trac.torproject.org/projects/tor/attachment/ticket/33258/tgen.onionperf.viz.2020-03-24_17%3A09%3A53.pdf
 another PDF] that uses an alpha value of 0.5 for all time plots. The diff
 for this change is:

 {{{
 diff --git a/onionperf/visualization.py b/onionperf/visualization.py
 index 2d87a77..d8d82bf 100644
 --- a/onionperf/visualization.py
 +++ b/onionperf/visualization.py
 @@ -271,7 +271,7 @@ class TGenVisualization(Visualization):
          xmin = data[x].min()
          xmax = data[x].max()
          ymax = data[y].max()
 -        g = sns.scatterplot(data=data, x=x, y=y, hue=hue_name)
 +        g = sns.scatterplot(data=data, x=x, y=y, hue=hue_name, alpha=0.5)
          g.set(title=title, xlabel=xlabel, ylabel=ylabel,
                xlim=(xmin - 0.03 * (xmax - xmin), xmax + 0.03 * (xmax -
 xmin)),
                ylim=(-0.05 * ymax, ymax * 1.05))
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33258#comment:6>
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