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Unique visitors reliability in custom report

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Unique visitors reliability in custom report Moriyonet 6/9/12 10:54 AM
Hello All,

Again I would like to deal with my unique visitors differences I find.

1. I created a profile and added a filter who check unique visitors (metric: unique visitors, dimension: page) of pages who have ID=X
2. I found out that on a period of one specific week I had 20,000 unique visitors under the new profile
3. I went to the general account and made a custom report for unique visitors (metric: unique visitors, dimension: page) for the same specific week, but there I found 60,000 unique visitors

Can someone please explain why there's such a big differences when I custom a report who has the same filter as the profile? 

Thanks a lot,

Moria.
Re: Unique visitors reliability in custom report Moriyonet 6/10/12 4:39 AM
Any suggestions please?
Re: Unique visitors reliability in custom report Sampatirao 6/10/12 9:29 AM
Hi,

Bit confusing, 'I created a profile and added a filter who check unique visitors'? Did you create profile with filter or custom report with above mentioned metrics?

Also could you please check total number of unique visitors for the given period. Is there any difference here? If so please check the filters for these two profiles.

Regards
Sam


Re: Unique visitors reliability in custom report Moriyonet 6/11/12 1:35 AM
Hello Sam,

Again, thanks for your answer.

IS IT ONLY ME HERE THAT NOTICED THEA GA MADE A CHANGE WHEN IT COMES TO CALCULATING UNIQUE VISITORS?

1.Yes, I created profile with the same filter of a custom report with above mentioned metrics.
2.I gotta mention that the number of Pageviews between the two profiles are pretty equal. 
3.I thought I already checked the total number of unique visitors for the given period - Is there any other way?

(Attached Print Screen who may clarify things).

Thanks a lot,

Moria.


Re: Unique visitors reliability in custom report Sampatirao 6/11/12 6:21 AM
Hi,

For the custom screen shots you can see that message in yellow back ground at top right, Please reduce the time period to one or two days and then check the unique visitors.

For more details about the message please visit this link:http://support.google.com/analytics/bin/answer.py?hl=en_US&answer=1042498

Sam
Re: Unique visitors reliability in custom report Moriyonet 6/11/12 12:46 PM
Hi Sam,

Yes, of course I'm aware of my "sampled data", and also I check one day only and the differences are very small.
But why it can't give me the right number for more than one or two days?
And also, how can I estimate the right number of unique for a period? what options do I have?

Thanks!!!!!!

Moria.
Re: Unique visitors reliability in custom report Sampatirao 6/11/12 9:27 PM
Hi,

Did you find the similar difference in unique visitors under Audience -> Overview as well? If it is then there is an issue with the Filters that you applied to the profile.

I have created similar custom report(Page as Dimension and Unique visitors as Metric) and the unique visitors are matching with the number in audience section.

Also please check the filters if applied any to custom report as well.

Sam
Re: Unique visitors reliability in custom report Moriyonet 6/11/12 11:35 PM
Hey Sam,

Now I'm a bit confused....
  1. I didn't understand why u asked me to check Audience -> Overview. where? I can only compare this data within the filtered profile.
    well I'm not sure I did what u said 'cause it seems pretty obvious to compare it to the only place I can compare to
    again, I'm talking about 2 profile: 1. A dedicated profile for pages I want   2. A custom report of a main Profile for the same pages

  2. how can I estimate the right number of unique for a period? what options do I have?
Re: Unique visitors reliability in custom report Sampatirao 6/12/12 12:07 AM
Hi,

In order to have unique visitors Go to Standard Reporting -> Audience -> Overview you will find below stats:

8,200 people visited this site

Visits: 9,849
Unique Visitors: 8,200
Pageviews: 105,502
Pages / Visit: 10.71
Avg. Visit Duration: 00:05:06
Bounce Rate: 30.97%
% New Visits: 31.94%

Here you can also find the unique visitors and this is only the place you find for unique visitors to the site.

Coming onto unique visitors per page then you need to have a custom report. The total unique visitors under Audience and in custom report must match.

Hope its clear now.

Cheers
Sam



Re: Unique visitors reliability in custom report Moriyonet 6/12/12 1:19 AM
Dear Sam,

I understand what you're saying, but this is not my problem.
Now I will clarify this much with examples:

  1. I have a main profile under the name: "Music". then I have a sub profile under the name: "Rock". 
    Under the sub profile Moria I put a filter who checks only pages that related to subject: "Pink Floyd".
    That shows unique's under the proper way: Audience>>Overview.....

  2. Now I go one level up to the same profile I mentioned above, under the name: "Music".
    Now I would like to get the same pages that related to subject: "Pink Floyd", but now I want to do it through a custom report
    That shows Unique visitors numbers multiple 3 than I see in the Overview of the sub Profile
I use the same filters in both cases but gets very big differences in Unique Visitors numbers. why?
It gives me the feeling or proving that whenever I want to create a custom report, I get wrong Unique numbers.

I really hope I made my self much clear.

Thanks a lot,

Moria.
Re: Unique visitors reliability in custom report Sampatirao 6/12/12 2:38 AM
Hi,

Also please provide me withe the filter details of 'Pink Floyd'. (is it based on sub folder?)

As per my understanding from above explanation, You are having two profiles, Music(With out any filters) and Rock(With filter).

For a particular page you are seeing 3 times unique visitors in Music profile(100) when compared to Rock(33).

This is expected behavior because you are limiting the analysis data in case of Rock profile.

Regards
Sam
Re: Unique visitors reliability in custom report Moriyonet 6/12/12 6:09 AM
First, let me say we start to understand each other :)

Second, I would like to ask what is the meaning of expected behavior caused by limiting the analysis data in case of Rock profile?
From my perspective, I only collect specific pages who should be the same under any profile, it's still unique visitors for the same pages....


Re: Unique visitors reliability in custom report Sampatirao 6/12/12 11:27 PM
Hi,

Here is the link to know about limiting the data.


Its not unique across all the report, limit changes for report to report, Complete details are available in the above link.

Sam


Re: Unique visitors reliability in custom report Moriyonet 6/14/12 1:20 AM
Dear Sam,

Thanks a lot for your answers.
Unfortunately your answers contrast my problem.
I will try to even more simplify it.
Let's leave the custom report and everything else- out.

Attached Print Screen.

My very simple question is:

How come I have a specific day who has more Unique Visitors than the total number for a period (as shown in Audience>>Overview)??
I can't figure out this problem and it seems like none knows the answer for it......
Re: Unique visitors reliability in custom report Moriyonet 6/14/12 7:56 AM
I know it can't count twice (Unique Visitors), but I also know it still doesn't show the real number...
Re: Unique visitors reliability in custom report Whims 6/14/12 7:37 PM
How come I have a specific day who has more Unique Visitors than the total number for a period (as shown in Audience>>Overview)??
I can't figure out this problem and it seems like none knows the answer for it..

I may have completely misunderstood your question however,

Whilst the following article deals with unique visitors and absolute unique visitors, under the article subheading "Uniques depend on time period" should hopefully be helpful in some way
http://www.lunametrics.com/blog/2010/07/30/absolute-unique-unique-visitors-google-analytics/ 

Cheers
Whims
Re: Unique visitors reliability in custom report Sampatirao 6/15/12 9:34 PM
Hi,

I am not sure whether I can answer your question or not? But I can confirm one thing that the total unique visitors for a given duration must be less than or equals to the individual days unique visitors.

Looks like like the total number is one fourth of the individual unique visitors, 11th June it touched up to 50K.

Its very tough to judge whats causing this problem. There might be chance of double tracking on some or all of the pages on the web site or you may applied any filters that causing the U Visitors to count 4 times.

Is it possible to have the web site details?

Regards
Sam 
 
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 10:05 AM
Whims - Thanks for the reference. I will read it right away!

Sam- I will surly make my homework and will check again (although it's the fifth time) my filter field.
But the problem gets even more complex and I'm starting to think it may be a bug:

How come that in a period of one week I have more unique's than a period of two weeks? (Attached Print Screen)
And please pay attention to the fact that I created the profile only on the 6th of June, then how come it counts (seems like it including when calculates) days before the profile was even created?!

Please try to clarify this for me............. HELP!

I appreciate your assistance much!

Moria. 

P.s- Unfortunately I can't write down the website details, but I can ensure it's a proper and intact website
Re: Unique visitors reliability in custom report Whims 6/16/12 11:30 AM
I created the profile only on the 6th of June, then how come it counts (seems like it including when calculates) days before the profile was even created?! 

Sorry if this seems like a daft question, however...
I understand you created the profile on June 6 but how long has the website itself had tracking installed on it?
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 2:00 PM
If you mean since when GA track code was installed on the website, the answer is: couple of years :)
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 2:07 PM
I must say I've checked with many other profiles in my website about this phenomenon and in all cases I get more Unique's in the short period than the long one.
How it is possible???
Re: Unique visitors reliability in custom report Whims 6/16/12 2:39 PM
I get more Unique's in the short period than the long one.
How it is possible???

Re uniques.. 

If looking at individual days:
If i visit your website 3x on June 6 and 10x on June 8
I'd be classed as 1 unique visitor for June 6 and I will also be 1 unique visitor for June 8 via 13 visits

If looking at the weekly date range June 3-June 9
I am 1 unique visitor for for the week June 3-June9 
If you try to add up the uniques for each day to equal the tally for the week, its not going to be equal
as I am still only 1 unique visitor for the week June3-9 even though I was a unique visitor for the day of June6 and again on the day of June8

I then visit your website 6x on June 11 and 4x on June 13
I'd be classed as 1 unique visitor for June 11 and I will also be 1 unique visitor for June 13

If looking at the weekly date range June 10-June16
I am 1 unique visitor for the week June 10-June16 
again iIf you try to add up the uniques for each day to equal the tally for the week, its not going to be equal
I am still only 1 unique visitor for the week June10-16 even though I was a unique visitor for the day of June11 and again on the day of June13

If looking at the 2 week date range June 3-June16
I am still only 1 unique visitor for the entire date range of June3-June16, even though if summed my weekly unique visits would equal 2 and if summed my daily unique visits would equal 4
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 3:27 PM
This was a fantastic explanation!

Let's see if I get it: as longer the period I check, the less Unique visitors I get because GA knows to identify that Unique VIsitors?

And if i measure Unique Visitors for a month I will get the most precise number?

Re: Unique visitors reliability in custom report Whims 6/16/12 3:43 PM
And if i measure Unique Visitors for a month I will get the most precise number? 

It will give you a more precise number than trying to tally up the uniques for each day in the month or weeks in the month.

again keep in mind.. if you are wanting uniques for a 4mth date range or say even a year... the summed uniques for each monthly date range within the broader whole date range are not going to total up correctly if compared to the total for uniques for the broader date range as a whole.
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 4:19 PM
Cool, I understand the logic, but how come that I see within a month a specific day with more auanique VIsitors than the whole month? The total number should be equal or more than that specific day, and many times it doesn't, why?
Re: Unique visitors reliability in custom report Moriyonet 6/16/12 4:58 PM
I've Attached a Print Screen who shows that one day with more Unique Visitors than the whole month.

Would like to hear your commentary if I may.

Thanks!
Re: Unique visitors reliability in custom report Whims 6/16/12 5:55 PM
Thanks for including the screen shot..I've completely misunderstood what you were trying to explain re the daily total in comparison to the monthly total
Now im probably more confused than you! :-S
Re: Unique visitors reliability in custom report Moriyonet 6/17/12 1:30 AM
Nooooo, we are so close to crack this issue ;)

I believe I'm the one who didn't understand completely.

What I did understand (also from the article you've attached) is this:

* Day 1 I have ten Unique's
* Day 2 more two new Unique's
* Day 3 four Unique (that also came on the first day)
* Day 4 one more Unique
* Day 5 two Unique's (that also came on the third day)
* Day 6 3 more Unique
* Day 7 2 Unique (that also came in the first day)

Now I Sum for all the week (without recounting the Unique who came more than once).
There for I have: 10 + 2 + 4 + 3 = 19 Unique's 

Now, according to this logic - it's not possible that I will have some day from the list, that contains more Unique's that the total week, right?

Re: Unique visitors reliability in custom report Moriyonet 6/18/12 12:06 AM
Whims?
Re: Unique visitors reliability in custom report Whims 6/18/12 2:34 AM
Back :-))

sorry, I volunteer my time here as do the other ppl too that assist with answering questions
Have had family stuff on over the weekend :-))
Re: Unique visitors reliability in custom report Moriyonet 6/18/12 5:18 AM
Well I'm from Israel so the weekend here is over two days ago :)
Hope you had a good time!

If you have some time, I would love to get your answer regarding my last understanding above.

Thanks! :)

Moria.
Re: Unique visitors reliability in custom report Whims 6/18/12 6:16 AM
* Day 1 I have ten Unique's
* Day 2 more two new Unique's
* Day 3 four Unique (that also came on the first day)
* Day 4 one more Unique
* Day 5 two Unique's (that also came on the third day)
* Day 6 3 more Unique
* Day 7 2 Unique (that also came in the first day)

Now I Sum for all the week (without recounting the Unique who came more than once).

Daily Uniques for the week = 10+2+4+1+2+3+2 = 24
Weekly Uniques = 10+2+1+3 = 16

The only reason I can think that a daily total might be greater than a monthly total might be if you have had filters applied for part of it and then removed or changed them

Re: Unique visitors reliability in custom report Moriyonet 6/18/12 1:19 PM
Don't know why I wrote 19, I definitely meant 16 :)

I guess it is a matter of filters also, I will follow this.

Whims, I would like to thank you much for your assistance - you Rock!

Sam, I would also like to say thanks a lot for your help.

Now I understand much more :) 
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