Percentage of PF members with fewer than 3 posts?

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The discussion revolves around the percentage of Physics Forums (PF) members who have posted only once or twice and never returned, with speculation that this number is high due to the forum's large membership of over 528,000 users. It is noted that only about 170,315 member profiles are still active, indicating that many users have minimal engagement. The forum has reached a total of 4.9 million posts, predominantly contributed by a small fraction of users. Participants jokingly suggest methods to analyze user activity but acknowledge the typical trend of low engagement in online forums. Overall, the conversation highlights concerns about member participation and the longevity of inactive accounts.
zoki85
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I'm curious what is the percentage (aprox) of PF members posting just 1 or 2 posts and never* post again?
*Never means more than 1 year since last post
 
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Yeah, I'm curious too. I suspect it's very high since "members" are kept on the books forever even if they posted once ten years ago.
 
Why poke that bear? PF has 250,000+ members. Do you really want to know if only 1% of them post more than once a year? :))
 
DaveC426913 said:
Why poke that bear? PF has 250,000+ members. Do you really want to know if only 1% of them post more than once a year? :))

Huh? Last time I saw figures was a couple of years ago and it was more like 350,000 as I recall and should be a lot more now. I COULD, of course, be delusional. It happens. o0)
 
phinds said:
Huh? Last time I saw figures was a couple of years ago and it was more like 350,000 as I recall and should be a lot more now. I COULD, of course, be delusional. It happens. o0)
Or it could be that, since it's been two years for me, my numbers are a little stale.
 
DaveC426913 said:
Or it could be that, since it's been two years for me, my numbers are a little stale.

Probably has something to do with time dilation. Have you been out gallivanting around near the speed of light again?
 
phinds said:
Probably has something to do with time dilation. Have you been out gallivanting around near the speed of light again?
That would explain a few things. Everyone around me looks so old, but I still feel like I'm 18.
 
UserIDs are at 528,xxx now, but only 170,315 member profiles still exist.

We are at PostID 4,900,000 and most posts are from a small fraction of all users, so most of those 528,000 users never posted or just had 1-3 posts, but I don't have numbers. That is typical for internet forums.

You can test it yourself: generate a random number between 1 and 528,000, check the user profile ( https://www.physicsforums.com/members/a.123456/ ), see if it fits to whatever you want to look for. Repeat until you have enough data.
 
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mfb said:
You can test it yourself: generate a random number between 1 and 528,000, check the user profile ( https://www.physicsforums.com/members/a.123456/ ), see if it fits to whatever you want to look for. Repeat until you have enough data.
Yeah, I know. But I'm lazy to do it
 
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mfb said:
UserIDs are at 528,xxx now, but only 170,315 member profiles still exist.

We are at PostID 4,900,000 and most posts are from a small fraction of all users, so most of those 528,000 users never posted or just had 1-3 posts, but I don't have numbers. That is typical for internet forums.

You can test it yourself: generate a random number between 1 and 528,000, check the user profile ( https://www.physicsforums.com/members/a.123456/ ), see if it fits to whatever you want to look for. Repeat until you have enough data.

My default random number is one: https://www.physicsforums.com/members/a.1/

Community seems fine :p
 
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