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Standard User jchamier
(knowledge is power) Mon 20-May-13 20:23:02
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Re: Speed Graphs


[re: deleted] [link to this post]
 
In reply to a post by BatBoy:
Would it be better to plot the number of speedtests having a particular value on the X axis?

That might give rise to some people thinking its too close to date leakage if only a few people had a specific speed.

James BT Infinity 2 19/09/2012 - Speeds 49 / 8.2 Mbps - Sync 53 / 9.5 Mbps @ 470m
Huawei modem -> RT-N66U -> Switch -> PC/Mac/Linux/NAS/Phone/TV - last speedtest
13 years of broadband - 1999 ntl:(512k/1M)/BTbusiness(2M)/Metronet(2M)/Bulldog(8M/16M)/BE(19M/16M)/BT FTTC(46M)
Administrator MrSaffron
(staff) Mon 20-May-13 20:25:58
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Re: Speed Graphs


[re: deleted] [link to this post]
 
You mean a distribution graph, yes that is another way

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Administrator MrSaffron
(staff) Mon 20-May-13 20:28:37
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Re: Speed Graphs


[re: deleted] [link to this post]
 
Only if the speeds people are getting are a perfectly linear distribution and VDSL and ADSL2+ over distance is not linear distribution and distribution of line lengths are not either.

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.


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Standard User deleted
(deleted) Mon 20-May-13 20:35:15
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Re: Speed Graphs


[re: MrSaffron] [link to this post]
 
Sorry, I just don't understand what the current graph shows or what conclusions can be drawn from it. Both axes appear to have the same values.
Administrator MrSaffron
(staff) Mon 20-May-13 21:08:43
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Re: Speed Graphs


[re: deleted] [link to this post]
 
If they had the same values it would be a 1:1 gradient graph.

If there is 2 million tests on the graph, the 1 millionth test will be half way along the x-axis

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User deleted
(deleted) Mon 20-May-13 21:23:34
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Re: Speed Graphs


[re: MrSaffron] [link to this post]
 
In reply to a post by MrSaffron:
If they had the same values it would be a 1:1 gradient graph.
That's what I was saying.
If there is 2 million tests on the graph, the 1 millionth test will be half way along the x-axis
I thought you said they were sorted into descending speedtest result order?

Edited by deleted (Mon 20-May-13 21:24:29)

Administrator MrSaffron
(staff) Mon 20-May-13 23:11:38
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Re: Speed Graphs


[re: deleted] [link to this post]
 
Think of how you determine the median figure.

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User deleted
(deleted) Mon 20-May-13 23:14:54
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Re: Speed Graphs


[re: MrSaffron] [link to this post]
 
Is the raw data available?
Administrator MrSaffron
(staff) Mon 20-May-13 23:16:17
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Re: Speed Graphs


[re: deleted] [link to this post]
 
No. Why?

Andrew Ferguson, [email protected]
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User deleted
(deleted) Mon 20-May-13 23:20:24
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Re: Speed Graphs


[re: MrSaffron] [link to this post]
 
Because I don't understand the graph.
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