More bullshit from Facebook.

Just "supported by the facts" line is mighty convenient when you are in sole possession of the information needed to ascertian them.
All I've seen by way of focus on outcomes is Guy Rosen's lazy comparison between absolute rates in facebook users and non-users. No causal inference, not even an effort to find adequate comparison groups. Facebook has some of the best data scientists in the world and we get this?

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More from @CT_Bergstrom

17 Jul
After Biden's criticism of @Facebook for their inaction on antivax propaganda, @fbnewsroom is going on the offensive.

They issued a press release that is a textbook example of bluster, obfuscation, and agnatogenesis. Here's the link. Let's take a look.…
"Facts, not allegations."

It would be nice to be able to rely on facts. Unfortunately, Facebook has exclusive access to the data we need to know what the facts are, and is not forthcoming with those facts. See e.g. the ongoing CrowdTangle debacle.…
"Vaccine acceptance among Facebook users in the US has increased."

This is a red herring, given that vaccine acceptance among everyone in the US has increased—dramatically. Look at the decline in those truly hesitant: the "wait and see" group. Source:…
Read 23 tweets
12 Jul
Damn close to false lights by @TheSun.

The lede: expert is warning of 100K cases/day
First sentence: Carl Bergstrom says...

I'm getting hate mail. But I'm not the expert they refer to. And I never spoke to them. They're quoting an old, unrelated tweet.…
This indubitably creates the false impression that I am predicting 100,000 cases per day.

It's criminally poor journalism, and it leads to harassment as well as reputational harm.
Here's another version. What the hell are these people trying to do to me?
Read 6 tweets
7 Jul
1. Kevin Gross and I have worked together for a number of years, using mathematical models to understand how science works and how to make it work even better.

We just posted our latest paper to the arXiv.

Here is a short thread about that paper.
2. We begin from the perspective I describe on the page below: the norms and institutions that comprise science create incentives for researchers to pursue certain questions and research strategies, shaping in turn our scientific knowledge of the world.…
3. In this paper, we look at the institution of peer review. Scientists confront peer review at multiple stages of a research project. Before doing a study, they face *ex ante* review when writing a grant proposal to persuade a funder that the research project merits funding.
Read 19 tweets
4 Jul
This morning we lost a great scientist and great human being.

I don't know quite how to speak to his memory just yet. There's no single story that captures what I would like to say, no single piece of his work that comes close to summarizing the whole.
He was a mentor to me as an undergraduate student. Over the past 18 months as I've struggled to navigate my dual role as scientist and citizen, I've thought of his words on a daily basis and tried to live up to his advice. He will be sorely missed.
I feel ready to write a bit about Dick's influence on my career.

As an undergrad, I was amazingly fortunate to take Bio 17, the evolution course that he taught with Stephen Jay Gould.
Read 19 tweets
30 Jun

What other topics need to be on Andy's STATS 102 syllabus?
Probably a more advanced topic but

- Yes, it's counterintuitve. No, it's not Berkson's paradox.
- Unless you're a professional or moving on very soon, don't do your own electrical or your own stats.

Read 5 tweets
30 Jun
Heartbreaking result of global warming: fledgling Caspian terns plunging to their deaths from hot rooftops yesterday.

“`They were stuck on the ground, the asphalt was burning them'…As many as 90 are believed to have died at the site…Many were treated for burns on their feet…"
I can't tell you how upset I am at the loss of these beautiful birds.

Shame on every person — myself included — who has contributed to making this happen.
Who are these birds? Let me show you. Image
Read 8 tweets

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