Just curious -- if sourceforge says there are 65,766 downloads of Maxima 
5.42.2 (say)
for Windows, does that mean there are really another 4139 downloads of 
(some version of)
Maxima that are not counted because they were downloaded from SageMath?

I assume Maxima downloads for linux are undercounted because people
get them from some indirect distribution.

Maybe this counting of downloads could be done in some better way.
What comes to mind is some feedback from installations, e.g.
running the installation sends email somewhere to register it.
But that would be kind of intrusive, and also assumes internet
connected + email.   

Of course it is also difficult to judge how many copies are
running because some people will continue to run an old
version, others will repeatedly load the system to get the
latest fixes ...

Good luck on trying to count "users" instead of copies.
RJF



On Thursday, October 10, 2019 at 8:03:29 AM UTC-7, E. Madison Bray wrote:
>
> Something that has vexed me since first posting Windows releases to 
> GitHub is that I would have liked to have at least *some* download 
> statistics for it, and yet GitHub doesn't display that anywhere on the 
> website. 
>
> However, I was just noodling around in the GitHub API (trying to 
> automate releases) and I found that the data *is* there--or at least 
> some approximation thereof.  It's probably difficult to give a precise 
> count since there are no doubt layers of CDNs involved, but the GitHub 
> releases API does have a "download count" for all release assets, and 
> just for the sake of interest this is what I found: 
>
> SageMath 8.0 (Windows installer 0.2) 16166 
> SageMath 8.1 (Windows installer 0.3) 25363 
> SageMath 8.2 (Windows installer 0.3) 7071 
> SageMath 8.3 (Windows installer 0.4) 4789 
> SageMath 8.3 (Windows installer 0.4.1) 3112 
> SageMath 8.4 (Windows installer 0.4.1) 4480 
> SageMath 8.5 (Windows installer 0.4.1) 3017 
> SageMath 8.6 (Windows installer 0.4.1) 3640 
> SageMath 8.6 (Windows installer 0.4.2) 5862 
> SageMath 8.7 (Windows installer 0.4.3) 2929 
> SageMath 8.8 (Windows installer 0.5.0) 101 
> SageMath 8.8 (Windows installer 0.5.1) 4139 
>
>
> Apparently there was a flurry of interest when Sage for Windows was 
> first released, and then it tailed off a bit.  However, it's worth 
> noting that previous releases were not also on the sagemath.org 
> mirrors, whereas they were added to the mirrors later (probably, just 
> looking at the numbers, around 8.2 or 8.3). 
>
> So those number just reflect downloads through GitHub, but at least 
> it's something. 
>

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