Differences between revisions 1 and 2
Revision 1 as of 2017-09-14 18:05:39
Size: 183
Editor: DavidOwen
Comment:
Revision 2 as of 2017-09-14 18:28:21
Size: 567
Editor: DavidOwen
Comment: Cory's experiment
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
= <<Date(2017-09-14T18:05:39Z)>> = = 2017-09-14 =
Line 5: Line 5:
Ran Cory's bar-chart versus pie-chart experiment (available at http://piechartssuck.com/) with 3 participants, and got:

 * Bar-chart mean error: 2.133
 * Pie-chart mean error: 1.733
 * P-value: 0.50

Slightly surprising to swing the way of pie-chart estimating being more accurate, but the p-value indicates that the effect is small enough that we need more participants to reliably detect it.

2017-09-14

/Attendees

Minutes

Ran Cory's bar-chart versus pie-chart experiment (available at http://piechartssuck.com/) with 3 participants, and got:

  • Bar-chart mean error: 2.133
  • Pie-chart mean error: 1.733
  • P-value: 0.50

Slightly surprising to swing the way of pie-chart estimating being more accurate, but the p-value indicates that the effect is small enough that we need more participants to reliably detect it.

Next Time

MeetingNotes/2017-09 (last edited 2017-09-14 19:17:28 by DavidOwen)