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4:59 AM
@BalarkaSen I think you're being unnecessarily apocalyptic. The chat room has no special significance. It's just where people gather to chat because it's entertaining. The room goes through phases of inactivity and high activity and I expect that will continue.
When I first started on the PSE the chat room was essentially dead. The scheduled chat sessions were organised as a desperate attempt to bring some life into it. Over the last few years the room has become a lot busier as a small but vocal group migrated in. In time that group will age and move on, and the room may fall back into disuse or a new group may adopt it.
Either way, it doesn't really matter. If the room becomes comatose again no-one will be heartbroken. The real business is done in the main SE site (which is where SE make their money of course).
 
5:24 AM
@JohnRennie I did not claim that the chat room has any special significance in the sense of being anything more than a place for entertaining conversations, extended conversations about posts in Physics.SE, or being a website which garners any monetary gains for SE.
I simply claimed that it is unfit for being a place for entertaining conversations pertaining to the essence of the Physics.SE community because of the moderation policies that are being acted upon, and predicted what I see as a likely outcome of the whole dispute.
Personally nothing earth-shattering will happen to me or any of the chatters if the room becomes inactive or shut down (in fact I have withdrawn from actively conversing in that room, as I deem my interactions in the Mathematics chat to be important to my learning process, and I don't want to be banned chat-wide for arbitrary reasons).
 
@BalarkaSen The SE impose restrictions on what can be discussed. They always have and always will. Right now the SE got a scare because they got reported for posts in an unrelated room so they're being especially strict. In time this will ease.
 
I am aware. But I deem a conversation on that specific "strictness" to be relevant, hence why I and many others (from the moderation team as well) have been talking about the meta-theory behind the policies in here, I imagine.
 
I agree that it would be nice to have clear and precise rules for what can and can't be discussed, but making such rules is impossible. If you attempted it you'd just just encourage users to game the rules.
One one end, if you chat about physics and maths you're certainly safe. On the other end if you post comments that are sexually explicit or racist you're certainly going to be banned. In between you play it by ear.
Most of us don't seem to have any problem with this. Humans are mostly good at dealing with this sort of uncertainty. But if you find yourself unable to judge where the line is then you're certainly wise not to use the chat room.
 
I disagree with the adjective "most". A nontrivial proportion of the users in the chat has contrary opinions about the moderation concerning recent events. (see, eg, comments below 0celo7's suspension, or number stars on my messages here in support of my narrative, or number of users who has in fact proposed some contra-narratives)
I don't agree with your summary of what's safe and unsafe, as it leaves the factor of interpretation (done in part by the moderators) unspecified. That's part of the issue.
 
@BalarkaSen I've been flagged for treading too close to the line, and so have other high rep users like Emilio. In both cases it was an attempt to entertain not an attempt to be offensive. We learn from this and back away a bit.
You don't get a year long suspension with repeated warnings and shorter term suspensions.
If I discuss Ryan's suspension in particular that will take me too close to the unfounded speculation that we've been warned about, and to be fair I'm not a mod and can't see exactly what happened so I would indeed be talking out of my bottom.
 
5:42 AM
How do you know if something is flagged for treading too close to the line, or if it's a flag backed by ill-intention? The moderators deconstruct the reason for the flag. There is no definite way of knowing what's happening.
Every message in the chat is an attempt at entertainment - that's what chat is about. It's not Math.SE or Physics.SE main site.
So I don't see what your point is
@JohnRennie There has been arguments made in this chat by moderators that users get under the moderation radar if they have a big suspension history, which I am not sure if you have seen.
(There has been counterarguments, too, which is a bit confusing)
 
@BalarkaSen get under the moderation radar? You mean come to the moderator's attention?
 
I'm paraphrasing, so better to link this message
I interpret it as a bias towards the statement "This user is problematic" if the user has larger suspension history when the moderation judgement happens.
 
@BalarkaSen yes, I agree. But repeat offenders are always under suspicion. Why wouldn't they be?
 
Because it's not at all clear if there is any correlation with the suspension history and a repeated offensive behavior.
 
I beg to differ.
I've been hanging out in the chat room for years. I've probably spent more time in the room than any other user except possibly Sam.
And my view, based not on unfounded speculation but on the evidence of my own eyes, is that suspension history does correlate with repeated offensive behaviour.
 
5:58 AM
I will correct my sentence. There might be a correlation with the suspension history and repeated offense, but repeated offensive behavior is a dependent on many other variables than the size of the suspension history alone, and there is no reason to believe it deserves more attention than any of the other variables. It just happens to be the most convenient one for the moderators, because it's an explicit number.
 
> repeated offensive behavior is a dependent on many other variables
 
@JohnRennie You've been in the chat for 6 years. I have been for 5 (admittedly not as a room owner of any of the two rooms we speak of). So that doesn't constitute an argument.
 
Can you elaborate on this?
 
See, in particular, my comment here and an actual moderator responding to it, agreeing with my argument.
Mathematics and hBar are outlier rooms in which the flag system doesn't work.
The number of flags a user has attained is not a good measure of repeat offensiveness.
 
@BalarkaSen I disagree. I have found the number of flaggings is strongly correlated with a user's inability to judge whether their comments will cause offense or not.
Note my careful wording there. My experience is that very few users deliberately set out to cause offence.
 
6:04 AM
@JohnRennie The discussion has already been carried out in detail, so see this model and my criticism of it.
 
@BalarkaSen what I'm telling you is my judgement based on the evidence of my own eyes.
 
@JohnRennie Is that strongly correlated with repeat offense? I mean, just because user X disagrees that their message A is offensive doesn't mean message A is offensive or that user has caused repeated offense or is likely to do it.
@JohnRennie I understand that. I am skeptic about it, and so are many others.
 
OK, I'll be explicit and hope it doesn't attract the ire of the authorities.
I think Ryan finds it hard to understand other people. He repeatedly steps over the line because he can't judge where the line is.
 
I do not think the user 0celo7 is a good model for all users with big suspension history size.
 
That doesn't make him a bad man, but it makes it impossible for him to remain in moderated chat rooms like the SE chat.
@BalarkaSen he's the only h bar member with a big suspension history size.
 
6:11 AM
Big with respect to what? He's certainly a peak (and I suspect I'm too, maybe a lower one), but there surely are several hbar users with suspension size much more than the average network-wide? It's unclear if it's otherwise
 
I'm not a mod (I know, I keep saying that) so I can't see suspension histories. But I spend at least eight hours a day in the chat room and I've read or at least skimmed every chat log for every day since I've been a room owner.
And my impression is that no-one comes even remotely close.
I can't speak for other chat rooms of course.
 
Mmk
 
 
6 hours later…
rob
12:08 PM
@BalarkaSen There was a period a couple of years ago when hbar users in particular went through a bout of using the (clunky at best) chat flagging system as a way to disrupt what was happening in the room. That makes this history hard to analyze, and it would be hard to summarize such an analysis without disturbing other people's privacy.
 
aka the days of Sophie et al
 
 
1 hour later…
1:20 PM
@JohnRennie can you refer any YouTube videos for vector calculus?
 
 
2 hours later…
3:02 PM
@user187604 I'm not really the person to ask because I've only ever learned the bare minimum of maths I needed to do the physics I wanted. Vector calculus isn't that hard, though i'm surprised you need to learn it at your level. It's normally only done in first year at university.
 
@JohnRennie that's where I'm going to be....
 
@user187604 but not right now :-)
@user187604 if you're fascinated by some bit of maths or physics then that's an excellent reason to study it on your own. And if that's why you want to learn vector calculus then go for it. But if you're just thinking about preparing for uni then I would bother.
 
@JohnRennie I think I should enroll for kvpy (an exam) which is 5 months later to have more chances cause in iiser aptitude test I don't really find any chances.
@JohnRennie I'm going to have my dinner. Back later.....
 
@user187604 I'm reluctant to advise you on this since I know so little bout the Indian exams.
 
@JohnRennie good evening.
 
3:16 PM
@user187604 finished dinner already? Gosh you eat fast! :-)
 
@JohnRennie I am a rather fast eater than a fast reader.
 
:-)
 
@JohnRennie I know you have a fair knowledge about higher education academics.
 
@user187604 no, I don't. I did a PhD but that was in 1986. I have no contact with universities these days so I have no first hand knowledge of how they operate in 2018.
 
@JohnRennie if I have to complete vector calculus and quantum mechanics in one semester (ie 6 months) and appear for academics test then should I rely to YouTube videos?
 
 
2 hours later…
4:58 PM
@JohnRennie good evening......
 
@user187604 Hi
 
@JohnRennie please see my above query..
@JohnRennie if I have to complete vector calculus and quantum mechanics in one semester (ie 6 months) and appear for academics test then should I rely to YouTube videos?
 
The university course is designed to teach you vector calculus in one semester and you don't need to do any work beforehand to take the course.
If you want to study it before uni because you enjoy it then go ahead! But you don't have to.
The first year at uni will cover lots and lots of stuff and you can't pre-study it all.
 
@JohnRennie I'm asking if I need to complete these two sections of physics at a semester along with giving the exam. Should it be possible...?
@JohnRennie I can find mit lectures at YouTube... Professor can they cover all of it?
 
@user187604 generations of students before you will have taken the course and successfully passed the exam at the end of it. The course is designed to make this possible.
You don't need to do any preparatory work - unless you want to.
In fact YouTube videos or MIT lectures may take a different approach to teaching the material, and that might be actively unhelpful.
 
5:07 PM
@JohnRennie sorry to say in india in bad university there is no significant teaching. So I am asking what's the best alternative
 
The best alternative is not to go to a bad university
 
@JohnRennie ha ha ha....
 
If you absolutely have to parallel study physics yourself then I suggest you work from the standard physics textbooks.
If you use YouTube then use it selectively when you run into problems understanding the textbooks.
You'll have to ask someone else what the best textbooks are these days since i'm out of touch with current textbooks.
 
@JohnRennie can I post a pdf here?
 
Yes
 
5:13 PM
@JohnRennie I don't think from mobile I can post a big pdf
 
You need to post the link to the PDF
You can't upload the PDF itself.
 
@JohnRennie actually I downloaded the book from b-ok.org and it's not available now...
 
What book is it?
 
@JohnRennie it's a vector calculus book I am going to mention the name. Please wait a while
@JohnRennie vector calculus by mardesen and traumba 5th edition
 
5:22 PM
@JohnRennie then I'm mentioning other... Please wait
How is this one?
 
I can't really comment. The best I can do is Google for reviews of the book to see what other people think, and you can do that yourself.
I need to go now. I'll be around tomorrow as usual.
 
@JohnRennie thanks.. Good night from India
 

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