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# [Steam] Steam Hardware and Software Survey September 2016 - Page 6

Quote:
Originally Posted by lombardsoup

10,000 in a population of close to 13 million concurrent users per day (at least Valve reports the latter number). Are you serious? That's representative of very little. Furthermore, we don't actually know how many people are being surveyed.

'murican political pollsters try to justify their polling in the same manner. Sample sizes of 10,000+ in a nation of 320,000,000, with a third of this actively voting. That's representative of absolutely nobody.
It's not super intuitive. Once you get over a certain sample size, you can get accurate estimates of a population with seemingly very few people being sampled.

A sample size of 10,000 for a population of 13,000,000 has a confidence level of over 95% and a confidence interval of +/- 1%.

For example, If you wanted to just be within +/- 5% for the entire Steam population (125 Million), you would only need to survey 400 people.
Edited by AmericanLoco - 10/3/16 at 5:08pm
Quote:
Originally Posted by AmericanLoco

It's not super intuitive. Once you get over a certain sample size, you can get accurate estimates of a population with seemingly very few people being sampled.

A sample size of 10,000 for a population of 13,000,000 has a confidence level of over 95% and a confidence interval of +/- 1%.

For example, If you wanted to just be within +/- 5% for the entire Steam population (125 Million), you would only need to survey 400 people.

Once again, this is the problem: we don't actually know how many people are being sampled. For whatever reason, Valve refuses to publish that number.
Don't have time to have a detailed look right now, but you can get a very rough lower limit of their sample size from the data.

Pick the smallest percentage reported
Calculate minimum sample require to give a single sample with this data.

For one person in the sample to have a DK2 means 1/0.0003 = 3,333

So they surveyed at least 3,333 people.
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Quote:
Originally Posted by GingerJohn

Don't have time to have a detailed look right now, but you can get a very rough lower limit of their sample size from the data.

Pick the smallest percentage reported
Calculate minimum sample require to give a single sample with this data.

For one person in the sample to have a DK2 means 1/0.0003 = 3,333

So they surveyed at least 3,333 people.

At least that's something to work with. Fairly low margin of error. Its tough not to be a skeptic when the company in question purposefully leaves out relevant data.
Quote:
Originally Posted by TheLAWNOOB

Miners buy up the 480s. Prices are higher than MSRP. Gamer cant get reasonably priced cards.

If you compare 480 to 1060, 1060 has much more marketshare even though its released later.

That mining garbage again? That explains the prices. I thought they moved on to specialized ASIC processors.

Quote:
Originally Posted by Omega X

That mining garbage again? That explains the prices. I thought they moved on to specialized ASIC processors.

Even though the time where one could have made money on mining has been over for a while now, there are still a few diehard true believers. I uh...tend to take advantage of them on ebay. I don't mind the bulk orders of 480's, not at all.

If you want someone to blame for price increases, you're looking at him!
Quote:
Originally Posted by AmericanLoco

If video card X has 0.05% market share last month with 10,000 randomly sampled people, then the next month it also has 0.05% market share with a different 10,000 randomly sampled population - then it starts to become quite evident that video card is only in 5 out of every 10,000 people's computers.

That's actually a very good point - the fact that you don't see big swings month to month lends credence to their results.
Edited by Forceman - 10/3/16 at 6:21pm
Quote:
Originally Posted by GingerJohn

Don't have time to have a detailed look right now, but you can get a very rough lower limit of their sample size from the data.

Pick the smallest percentage reported
Calculate minimum sample require to give a single sample with this data.

For one person in the sample to have a DK2 means 1/0.0003 = 3,333

So they surveyed at least 3,333 people.

In the CPU section it goes as low as 0.01% for 5 core (probably someone who didn't get 100% lucky in unlocking a 4 Core Thuban to a 6 core), 10 core and 16 core CPUs being used (with 12 cores at 0.02%), and in the Total Hard Drive space - Less than 10 GB, also at 0.01%, so they surveyed at least three times that.
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Steam Hardware Survey is only indicative of Steam users.

This website proves how reliable Steam is:

https://www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0

As for those claiming you need Steam to run DOTA: in China it does not use the Steam client. Thus there are millions upon millions of PC's that will never get surveyed because they aren't running Steam. But according to you guys because they aren't running Steam they are irrelevant. Another extremely narrow minded thread.

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Quote:
Originally Posted by Liranan

Steam Hardware Survey is only indicative of Steam users.

This website proves how reliable Steam is:
https://www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0

As for those claiming you need Steam to run DOTA: in China it does not use the Steam client. Thus there are millions upon millions of PC's that will never get surveyed because they aren't running Steam. But according to you guys because they aren't running Steam they are irrelevant. Another extremely narrow minded thread.

I didn't think of that angle, good point. Many other types of polling are plagued by bias: they don't go outside of a certain group.
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