Math's question (Excel)
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Horrordee
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Posts: 8867
Location: England
PostPosted: Tue, 5th Aug 2008 12:50    Post subject: Math's question (Excel)
Before you ask, this is for WORK. I am not at school.

I have a two columns of data,

Date Number
Date Number
Date Number
Date Number


and

Date Number2
Date Number2
Date Number2
Date Number2

Now, the dates match up. What I want to do is normalise the second column with the data on the first.

So I want the Number2 to be normalise to consider the number in column 1.

For example, Number in column 1 represents "spending on adwords". Number2 in column 2 represents click throughs on adwords. What i want to do is normalise the click throughs so that they are adjusted in line with how much was spent that week. I.e. if we spent £50 and got 100 click throughs on week 1, and then £20 and got 200 click throughs on week 2, I want this to be shown.

Does that make senese? Can anyone help me? I've googled it to no avail!

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Rinze
Site Admin



Posts: 2343

PostPosted: Tue, 5th Aug 2008 14:32    Post subject:
You want to add the numbers to weekly totals and you want to display the two sums for each week?
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Nui
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Posts: 5720
Location: in a place with fluffy towels
PostPosted: Tue, 5th Aug 2008 14:36    Post subject:
And you dont just want the ratio between 'money spent' and 'click throughs' ?
'click throughs' / 'money spent' = nice info Razz


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swingman




Posts: 3602

PostPosted: Tue, 5th Aug 2008 15:32    Post subject: Re: Math's question (Excel)
Horrordee wrote:
Does that make senese?


No. And it has largely to do with your definition of 'normalise'. Taking a wild guess I would say what you want to do is calculate a moving average of clicks per money spent or vice versa.
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Spiderman
Banned



Posts: 5877

PostPosted: Tue, 5th Aug 2008 16:45    Post subject:
i don't get your definition of normalize , for what does it stands ?
"'normalise" like in audio ? guess the average ? what ?

but if you what really to normalize in exel then read here

First read the exel concept:
http://www.fabalou.com/Access/General/Normalization.asp
then how to:
http://www.fabalou.com/Access/General/Normalization_howto.asp
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Horrordee
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Posts: 8867
Location: England
PostPosted: Tue, 5th Aug 2008 22:03    Post subject:
haha thanks for the answers, Nui you weren't far off.

What i did was take the average of all numbers in column one, then work out a percentage of each number against that. Then i used this percentage on the numbers in column two. This adjusted the numbers in column 2 appropriately.

My brain was hurting though Sad hehe


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