Dots should not be used. Period.

Sampling bias and husbands' insecurity: pbs.twimg.com/media/DYBfkBbVAAAKJmv.jpg One can tell that the Bing household is going through a pretty rough patch right now...

@Kodiologist, @gung: haha, you probably came across it because my mucking with the [kaggle] tag bumped a few threads. I see a borderline case for a very few questions that are truly specific to Kaggle competition to have that tag, but I wouldn't mind getting rid of the tag. Then again, it's so rare that it probably isn't worth raising on Meta.

Did my best to make it clear in the tag wiki excerpt, too, and removed the tag from a number of threads. Hope people will notice.

Actually, out of five threads tagged [kaggle], two are closed:

stats.stackexchange.com/questions/tagged/kaggle

And the Titanic dataset is by no means specific to Kaggle, it was used way before Kaggle came around: duckduckgo.com/?q=titanic+dataset

Then again: