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August 21, 2018
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Data Warehouse - Adobe Analytics Discrepancy

  • August 21, 2018
  • 2 replies
  • 3401 views

Howdy,

Noticing huge discrepancies in numbers from Data Warehouse vs. Workspace/AdHoc Analysis.
Both Pageviews and Total Seconds Spent are very in line with each other, but Visitors and Unique Visitors are significantly over-represented in Warehouse.

I'm breaking out by Date > New Repeat (sprop) > First Touch Channel > Mobile Device Type > PageName (sprop) : METRICS

Is the issue a result of the dimensions I'm breaking out by?

Help!

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Best answer by PratheepArunRaj

Dear Danny,

Data warehouse will not de-duplicate the Visits and Visitors if you are about to calculate it.

Consider the below example:

A visitor (new) come to our site via Search and accessed 3 pages A, B and C.

Same visitor visited our site next day (So, now it is repeat) via Direct and accessed B (Twice) and C.

Below the table in Data Warehouse will look like:

As per Workspace/AdHoc Analysis, For New there are 3 page views, 1 Visit and 1 Unique Visitor for New. But if we add the visits in Data Warehouse it will give you 3 page views, 3 Visits and 3 Unique Visitors.

I.e. Metrics which involves persistence or expiration will be de-duplicated in Data Warehouse but not in Workspace/AdHoc Analysis and thus the difference.

Thank You

Arun

2 replies

PratheepArunRaj
Adobe Champion, Community Advisor, UG Leader
PratheepArunRajAdobe Champion, Community Advisor, UG LeaderAccepted solution
Adobe Champion, Community Advisor, UG Leader
August 22, 2018

Dear Danny,

Data warehouse will not de-duplicate the Visits and Visitors if you are about to calculate it.

Consider the below example:

A visitor (new) come to our site via Search and accessed 3 pages A, B and C.

Same visitor visited our site next day (So, now it is repeat) via Direct and accessed B (Twice) and C.

Below the table in Data Warehouse will look like:

As per Workspace/AdHoc Analysis, For New there are 3 page views, 1 Visit and 1 Unique Visitor for New. But if we add the visits in Data Warehouse it will give you 3 page views, 3 Visits and 3 Unique Visitors.

I.e. Metrics which involves persistence or expiration will be de-duplicated in Data Warehouse but not in Workspace/AdHoc Analysis and thus the difference.

Thank You

Arun

Thank You, Pratheep Arun Raj B (Arun) | Xerago | Terryn Winter Analytics
November 8, 2020
Pratheep, is there anything you can do so that the figures in data warehouse match workspace?