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Wrong aggregation of percentage values #1646

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anonymous-matomo-user opened this issue Aug 27, 2010 · 3 comments
Closed

Wrong aggregation of percentage values #1646

anonymous-matomo-user opened this issue Aug 27, 2010 · 3 comments
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Bug For errors / faults / flaws / inconsistencies etc. worksforme The issue cannot be reproduced and things work as intended.
Milestone
1.1

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@anonymous-matomo-user
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Looking at "Actions > Sites" the percentage values are not summed up correctly.
If for example a group has 4 child entries with (100%, 0%, 0%, 0%) then the complete group gets 100% instead of 25%.

Tested with version 0.9.9.
@robocoder
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We don't have a menu/submenu item for "Actions | Sites". I assume you're referring to bounce rate (and not exit rate).

@robocoder
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(In [3105]) refs #1646 - fix typo in comment

@robocoder
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I looked at the calcs and they look ok (bounce_count / nb_visits).

I should point out that the aggregate bounce rate for the category is not a simple average (eg 100 + 0 + 0 + 0) / 4. Piwik keeps running totals so it would be equivalent to a weighted average of the child percentages and visit counts.

@anonymous-matomo-user anonymous-matomo-user added this to the Piwik 1.1 milestone Jul 8, 2014
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@robocoder @anonymous-matomo-user