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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Some interesting incubator stats
Date Thu, 21 Nov 2019 23:42:24 GMT
Here is the same data in tabular form, courtesy of python and R.

   startYear started finished min      mean           median      max
   <chr>       <int>    <int> <drtn>   <drtn>         <drtn>
     <drtn>
 1 2003           14       14  58 days  653.4286 days  329.0 days 2419 days
 2 2004           16       16   0 days  587.9375 days  341.5 days 2227 days
 3 2005           18       18   0 days  528.2222 days  582.5 days  989 days
 4 2006           20       20 129 days  620.8500 days  463.0 days 1485 days
 5 2007           11       11 196 days  754.1818 days  647.0 days 2132 days
 6 2008           19       19 281 days 1156.8421 days 1270.0 days 2579 days
 7 2009           14       14 102 days  735.2857 days  545.5 days 1836 days
 8 2010           22       22 282 days  842.5455 days  731.5 days 2599 days
 9 2011           27       27 126 days  580.4815 days  436.0 days 2675 days
10 2012           14       14 154 days  715.6429 days  531.0 days 1794 days
11 2013           23       22 161 days  571.3182 days  448.5 days 1619 days
12 2014           19       16 233 days  629.9375 days  487.5 days 1508 days
13 2015           30       25 183 days  623.0400 days  584.0 days 1468 days
14 2016           30       23 303 days  713.6087 days  673.0 days 1348 days
15 2017           15        5 329 days  505.0000 days  485.0 days  741 days
16 2018           14        2 294 days  373.5000 days  373.5 days  453 days
17 2019            9        0 Inf days       NaN days     NA days -Inf days

I see a few prominent things:

1) the number of podlings entering has dropped dramatically. Some of that
drop is probably really good, but this drop is extreme. This could be
github effect or could be that Apache is viewed as old fuddy-duddies. Can't
tell from the data, but I bet everybody has an opinion, warranted or not.

2) the mean and max times to incubate were goofy 10 years ago. We have no
evidence that the maximum has gotten much better since we still have some
very old podlings hanging around, but I feel like the median is a bit
better.

3) the minimum time to incubate has definitely increased over the last 10
years. That might be due to the presence of the direct-to-TLP process.



On Thu, Nov 21, 2019 at 2:31 PM Justin Mclean <justin@classsoftware.com>
wrote:

> Hi,
>
> Whimsey also provides that data as JSON [1], I put together a little
> python script to generate these stats:
>
> Total podlings: 315
> Total retired podlings: 61
> Total graduated podlings: 207
> Total current podlings: 47
>
> From 14 poddings that joined in 2003 10 graduated, 4 retired and 0 are
> incubating.
> From 16 poddings that joined in 2004 13 graduated, 3 retired and 0 are
> incubating.
> From 18 poddings that joined in 2005 13 graduated, 5 retired and 0 are
> incubating.
> From 20 poddings that joined in 2006 15 graduated, 5 retired and 0 are
> incubating.
> From 11 poddings that joined in 2007 7 graduated, 4 retired and 0 are
> incubating.
> From 19 poddings that joined in 2008 12 graduated, 7 retired and 0 are
> incubating.
> From 14 poddings that joined in 2009 12 graduated, 2 retired and 0 are
> incubating.
> From 22 poddings that joined in 2010 17 graduated, 5 retired and 0 are
> incubating.
> From 27 poddings that joined in 2011 23 graduated, 4 retired and 0 are
> incubating.
> From 14 poddings that joined in 2012 11 graduated, 3 retired and 0 are
> incubating.
> From 23 poddings that joined in 2013 19 graduated, 3 retired and 1 are
> incubating.
> From 19 poddings that joined in 2014 13 graduated, 3 retired and 3 are
> incubating.
> From 30 poddings that joined in 2015 20 graduated, 5 retired and 5 are
> incubating.
> From 30 poddings that joined in 2016 17 graduated, 6 retired and 7 are
> incubating.
> From 15 poddings that joined in 2017 4 graduated, 1 retired and 10 are
> incubating.
> From 14 poddings that joined in 2018 1 graduated, 1 retired and 12 are
> incubating.
> From 9 poddings that joined in 2019 0 graduated, 0 retired and 9 are
> incubating.
>
> Thanks,
> Justin
>
> 1. https://whimsy.apache.org/public/public_podlings.json
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