21 votes
Accepted

Who is using the "bounty" system and how effective are bounties?

Well, I'm certainly using it—I've offered a bit over 150 bounties (>90% of them on other people's questions). Other users have offered a substantial number of bounties as well. I'd say it's ...
Glen_b's user avatar
  • 283k
19 votes
Accepted

Are privileges lost if reputations fall (below threshold) because of awarding bounty?

Yes, you'll lose privileges. See the Help Center article about setting bounties: If your new reputation brings you below the requirement for any privileges, you will lose access to those privileges.
Glorfindel's user avatar
  • 1,118
16 votes
Accepted

Is it WRONG to 'tip the scales' toward certain answer POVs with a bounty?

That's a good, if perhaps risky, use of your hard-earned reputation: it presumes the bounty will actually result in the kinds of answers you seek. As alternatives (or supplements) to this strategy ...
whuber's user avatar
  • 323k
16 votes
Accepted

Is it OK to use suggestions by other people to answer a question with a bounty?

See Etiquette for answering old questions addressed in comments?. I don't think anything changes just because a bounty's at stake. (If someone's really keen to win that bounty they needn't give ...
Scortchi - Reinstate Monica's user avatar
12 votes
Accepted

Why can members with low reputation post bounties worth more than their total reputation?

Bounties operate as follows: You cannot start a bounty if you have less than 75 reputation. You cannot make them for more reputation than you have (you can't start a 100 point bounty with 90 ...
Glen_b's user avatar
  • 283k
12 votes

Help spread the wealth

The first clustering algorithm you will learn about is k-means. That is nice and good, but unfortunately people will sometimes think that k-means is the One Tool to solve all their clustering problems ...
Stephan Kolassa's user avatar
12 votes
Accepted

What to do when a question with an open bounty is a duplicate?

Flag it. Moderators can cancel bounties, refunding the reputation to the owner.
whuber's user avatar
  • 323k
11 votes

Help spread the wealth

We have a question on Anscombe-like datasets with the same box and whiskers plot (mean/std/median/MAD/min/max), which currently has five upvotes and no answers. I like Anscombe's quartet a lot, since ...
Stephan Kolassa's user avatar
9 votes
Accepted

Can I reopen/extend the bounty on a question?

Unfortunately, the answer is no. You must assign the bounty during the bounty + grace period; otherwise it vanishes. If you don't award a bounty and there is an answer with the highest score (minimum ...
Tim's user avatar
  • 138k
9 votes
Accepted

Bounty community wiki?

The bounty should go to whomever you award it to. If you don't award it on time, it should go to the answer that accrued the most upvotes during the bounty period. Update: The earned reputation will ...
gung - Reinstate Monica's user avatar
8 votes

Help spread the wealth

Antoni Parellada's answer in this question! Why is ANOVA equivalent to linear regression? With nice graphical demonstration and math! [Awarded 21 May 2017]
Haitao Du's user avatar
  • 36.9k
7 votes

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Is there an intuitive interpretation of $A^TA$ for a data matrix $A$? should be definitively awarded as it provides short but clear and pretty detailed answer for the very basic and very important ...
Tim's user avatar
  • 138k
7 votes

Help spread the wealth

Getting Information out of Blackbox Models - RandomForest / XGBoost Although I closed the thread as a duplicate (and I continue to think that was correct), the answer is really good and has not ...
gung - Reinstate Monica's user avatar
7 votes

Help spread the wealth

Our soon-to-be-infamous question At each step of a limiting infinite process, put 10 balls in a urn and remove one at random. How many balls are left? is spawning its share of answers I wish I could ...
Stephan Kolassa's user avatar
6 votes
Accepted

How to offer a bounty on a question with unsatisfactory answers?

The basics are as follows: If you place the bounty you can award it as you see fit. If nobody posts an acceptable answer and so you don't choose to award the bounty, typically the bounty simply ...
Glen_b's user avatar
  • 283k
6 votes

Help spread the wealth

Glen, Thank you very much for your largess! I constantly go back to some posts that have helped me understand certain concepts. A good number of them are yours... Right off the top of my head: @...
Antoni Parellada's user avatar
6 votes

Help spread the wealth

I think that lacerbi's answer deserves some recognition because its bibliography is incredibly good. The articles cited here are incredibly helpful to me and I had not previously encountered them. [A ...
Sycorax's user avatar
  • 91k
6 votes

Help spread the wealth

I do not know if it is a memorable answer by the overall standards of CV, but the accpeted one here is the one I found most useful of all questions I have asked: Example for a prior, that unlike ...
Christoph Hanck's user avatar
6 votes

Help spread the wealth

David Robinson's answer to the question about intuition about beta distribution deserves recognition. [Bounty started 27 March 2016. Now awarded]
Tim's user avatar
  • 138k
5 votes

Help spread the wealth

This answer comparing OLS algorithms is a well-written introduction into the topic. [Bounty awarded Jun 20]
Sycorax's user avatar
  • 91k
5 votes

Who is using the "bounty" system and how effective are bounties?

I am new here, but a long-time user of stack overflow and other exchange sites. I have used a bounty once, to see how it worked. I have wanted to use a bounty many, many times. Here's a problem I ...
Sir Robert's user avatar
5 votes
Accepted

Why can't I offer a bounty to this question?

If you've already offered a bounty of 100 rep., the minimum spend for the next bounty is 200 rep.—and you haven't got enough yet. See https://stats.stackexchange.com/help/bounty for details.
Scortchi - Reinstate Monica's user avatar
4 votes

Help spread the wealth

Alecos Papadopoulos wrote this really nice answer to the question "Testing for autocorrelation: Ljung-Box versus Breusch-Godfrey". It's one of the most solid posts I have seen so far on CV, providing ...
Candamir's user avatar
  • 1,030
4 votes

Help spread the wealth

I think that amoeba's answer on "Building an autoencoder in Tensorflow to surpass PCA" is extremely elegant and insightful; it provides an excellent and coherent example on how an auto-encoder ...
usεr11852's user avatar
  • 44.2k
4 votes

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How to represent kWh usage by year against average temperature is a wonderful illustration of how to build scientific knowledge into a model. (In this case it's science that many of us know but wouldn'...
Scortchi - Reinstate Monica's user avatar
4 votes

Help spread the wealth

https://stats.stackexchange.com/users/84394/bill-woessner One could probably pick any of this user's answer for a bounty (as I have done already for his most-upvoted answer). The one comparing eigen- ...
Sycorax's user avatar
  • 91k
4 votes

Help spread the wealth

Matthew wrote a good answer here about the computational steps involved in linear regression using linear algebra. Least Squares Regression Step-By-Step Linear Algebra Computation [Bounty placed and ...
Sycorax's user avatar
  • 91k
4 votes

How to see when a bounty was started?

Bounties last one week, so you can get a decent approximation by counting back from when it says it will expire. If you need a more precise time, click the edit history link (at bottom center), and ...
gung - Reinstate Monica's user avatar
4 votes
Accepted

Two 50-point bounties at once?

This is the question. While I posted an answer is hopes of bringing some resolution to an old question, I am not happy with the speculative nature of my answer, so I wanted a definitive answer. ...
Dave's user avatar
  • 62.4k
3 votes

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Rob Hyndman's answer to his own question How should I transform non-negative data including zeros? at https://stats.stackexchange.com/a/1630/60613 brings a nice transformation function that I had ...
Firebug's user avatar
  • 19.1k

Only top scored, non community-wiki answers of a minimum length are eligible