🔥Kareem Carr | Statistician 🔥 @kareem_carr Twitter profile

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

11 hours

no lies detected.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

This question reminds me of the type of math questions we used to get in school where you have to make a bunch of assumptions to the get the answer the teacher wanted, but the real answer is there isn't enough information.

Massimo

@Rainmaker1973

3 months

How many cubes are on the trailer?

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

As a non-American living in America, during a pandemic, I'm both awed and horrified by this country's reverence for work.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Woke professor Albert Einstein going out of his way to promote diversity, equity and inclusion during the Jim Crow Era

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

As a statistician, it is extremely frustrating to me to see an account called “World of Statistics” with over 1.5M followers spreading this pseudoscientific garbage. Statistics requires us to think critically about our data. This is *not* statistics.

World of Statistics

@stats_feed

1 year

Average IQ: 1. 🇯🇵 Japan: 106.48 2. 🇹🇼 Taiwan: 106.47 3. 🇸🇬 Singapore: 105.9 4. 🇭🇰Hong Kong: 105.34 5. 🇨🇳 China: 104.1 6. 🇰🇷 South Korea: 102.3 7. 🇧🇾 Belarus: 101.6 8. 🇫🇮 Finland: 101.2 9. 🇱🇮 Liechtenstein: 101.1 10. 🇩🇪 Germany: 100.7 . 16. 🇨🇦 Canada: 99.5 17. 🇦🇺 Australia: 99.2…

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

I know a lot of you wanted a technical breakdown of this meme so here it is! I don't think you will find this level of detail anywhere else so keep reading if you don't want to miss out.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

22 days

Folks, I'm begging you. Stop getting your population statistics from random racists on the internet.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Statistician here. ⚠️WARNING. This is NOT an accurate use of probability theory ⚠️ We can actually explain this one without any math so read on...

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

this is a tough one

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

This bar chart has attracted the attention of the richest man in the world. Let me walk you through how I would interpret it as a statistician (and a human).

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

me doing research with my graduate school advisor

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

The first coder was a woman. The first writer of a compiler was a woman. Even the word "computer" was originally a job title for people, mostly women, who did business-related arithmetic. Yet, some people claim the reason women are underrepresented in tech is lack of interest.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

@durandalcomplex The job of a statistician is to quantify uncertainty which is why identifying assumptions is important. What your screenshot doesn’t show is I actually share several solutions (including the “correct” one) 🙂👇

🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

FYI, the possible answers vary from 51 at most if you assume the stack is symmetrical (within the constraints of the images) to 35 at minimum if you allow for asymmetry.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

This tweet is rightly being condemned for the disgusting racism it represents, but notice how the poster couches his racism as scientific inquiry. This is increasingly what racism looks like on Twitter.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

This is actually how "confidence intervals" work in statistics. I'm being 100% serious. Read on. This is a really fun concept.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

this tweet is the perfect embodiment of every scientist’s experience on twitter

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

This would actually be an amazingly effective way to teach people how computers work and what computer programming is.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

the first time you work with real data

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

FYI, the possible answers vary from 51 at most if you assume the stack is symmetrical (within the constraints of the images) to 35 at minimum if you allow for asymmetry.

Risichad 🦾

@Risichad

3 months

@poppinbuckets @Rainmaker1973

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 month

ChatGPT be like

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 months

Sydney Sweeney reveals in an interview that she's a huge proponent of Microsoft Excel for data science. "Not everybody is going to learn to code and we need to respect that." She added, "Excel meets the people where they are and I think that’s beautiful."

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

11 months

If elite schools like Harvard just admitted the highest scorers on the SAT, such schools would probably experience a decline in their elite status, which is the very reason people so badly want to be admitted in the first place. Folks aren’t ready for that conversation.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

check out this obscure math theorem. only a few know about this.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

7 months

Publicly shaming an Ivy league school for claiming credit for the success of a women scientist whose work it disrespected and rejected is one of the best uses of community notes I’ve ever seen.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

cat 1: statistics cat 2: data science cat 3: machine learning

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

Apparently, I was making assumptions too (like that the solution needs to be physically stable 😅):

poppinbuckets

@poppinbuckets

3 months

@Risichad @TAGACAT @CpAleix @Rainmaker1973 Nice visual... Update: we are at max 51, min 21 now

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

Why are dudes on twitter falling all over themselves to dunk on this woman? Rediscovering a love of math, after years of believing it wasn’t for people like you, legitimately rocks. More people should do this.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Yeah Sex is cool but have you ever had your own area of expertise, which you have mastered through literally years of effort, condescending explained back to you at a fifth grade level on social media?

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

learning to code in R

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

me: I discovered a new statistical law that says that all jokes on twitter are based on other jokes on twitter friend: that’s really cool! what do you call it? me: *slowly takes off sun glasses* regression to the meme

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

4 months

For me, this is about fairness. They annihilated Claudine Gay’s reputation over this issue. They said as a scholar she was sickeningly unqualified. They said she brought shame to Harvard. Where is that energy now?

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

It’s finally happened. A peer-reviewed journal article with what appear to be nonsensical AI generated images. This is dangerous.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

I saw a guy exploring his data today. No Python. No R. No Stata. He just sat there. Looking at tables of numbers. Like a Psychopath.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

oh my.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

10 months

No.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

10 months

choose your fighter

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

MISSING CONTEXT If we add same-race crime, we see that the vast majority of violent crimes in America involve white victims and white offenders. If we thought race was a huge factor, and wanted to make the biggest impact on crime numbers, we might want to start there.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

I don't want to argue about opening schools but where I come from, "I'm afraid I'll die" is actually a pretty good excuse to not want to go to work. It's reasonable to be fearful during a global disaster. It's reasonable to not prioritize work over your fear of death.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

The first thing that surprised me during the pandemic was the degree to which employers simply ignored it. We were in the middle of a catastrophe so huge it had humbled the entire human race and we were still talking about how we could avoid missing our deadlines.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

This meme might not be as simple as you think. Most people get this one wrong. Read this thread if you want to be one of the few that gets it right.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

This is the greatest randomized controlled trial joke ever told

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

no data scientist has mastered all 5: 1. R 2. Python 3. javascript 4. making eye contact 5. Microsoft Excel

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

People were asked to keep their children, pets and PJs out of work video chats. What bothered me most about this was the fundamental disrespect of asking more of people who were already going above and beyond to provide uninterrupted labor during a natural disaster.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

her: babe what you thinking about me, a data scientist:

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

This is the greatest mathematician story ever told

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

When most people around the world talk about work-life balance, they mean *quality* of life vs hours of work. Here in America, the trade off seems to be about years off your actual life.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 month

this is how statisticians computed linear regressions prior to the invention of the computer:

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

When a statisticians hear, "Successful people start their day at 4 a.m.", they think: 1. Waking early makes you successful? 2. Something about success makes it hard to sleep at night? 3. Success is lethal; Only early risers survive? 4. You did your survey at 4am. #epitwitter

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

“The floor is Microsoft Excel” me, a data scientist:

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

WHY do we divide by n-1 when computing the sample variance? I've never seen this way of explaining this concept anywhere else. Read on if you want a completely new way of looking at this.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

7 months

I don’t understand the obsession so many guys have with getting random women to cook for them. I’m a really good cook. The last thing I need is a bunch of confused women with PhDs in my kitchen.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

4 years

live video of a statistician trying to keep researchers away from p-values

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

getting into university now vs when your professors applied to university

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Can somebody tell me why a former Trump White House speechwriter would be obsessively tweeting about the IQ of a random black graduate student? Oh wait. I think I figured it out.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 months

Microsoft Excel is the most successful data science software in human history.

Devour Deo🦋⃤🦋

@DevourDeo

2 months

What is one opinion you will defend like this?

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

9 months

people say this guy is racist, but would a racist be absolutely fuming because i debunked the stats in an anti-black meme? yeah probably. ok but would a racist be openly fantasizing about the forcible removal of black people from majority white institutions? still probably yes.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Statistics can never be completely objective. This is not just my opinion. It's a *mathematical* fact. Read on if you want to learn a deep fundamental truth about data and its relationship to the universe we live in.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

9 months

me, a statistician: *silently screaming*

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

4 months

how to spot plagiarism

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Statistician here. I see some rookie data science mistakes so let's get into it.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

HALF A MILLION Americans are dead because of this pandemic and as far as I can tell a huge number of Americans are OK with this. They would rather talk about the weather.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

friend: what's a data scientist? me, a data scientist: it's a scientist that uses data friend: wow. really? me: yeah. before the 2000's scientists didn't use data friend: holy crap. what did they use?! me: sorry dude! we don't have any data on that and I don't like to speculate.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

The question we actually want to ask is what percent of current *82 year olds* (Biden's age at inauguration) would make it to 85? That number is much higher! The 42% number is wrong because includes people who died before 82 which is the wrong reference population for Biden.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

8 months

Every Data Scientist needs to know these ideas. They will blow your mind. 1. Correlation vs Causation P(A | B) is the probability of A given B. It is the probability that we will observe A given that we have already observed B. P(A | do(B)) is the probability of A given…

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

6 months

A statistician here. If a doctor has decided to put somebody on a ventilator, things are probably going extremely badly. To figure out if an 80% death rate is higher than expected for this scenario, we would need a control group to establish a baseline.

Ray

@ray4tesla

6 months

80% of Covid patients put on ventilators died. This is probably most shocking revelation unknown to the public.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Wish you knew more about Statistics and Data Science? Here are my TEN best book recommendations for learners at every level.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

11 months

Rate limiting starts the day their cloud contract (that they were having trouble paying) ends. This can’t be a coincidence right? Twitter might be much closer to dying than most of us realize.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

One of the most profound books, I've ever read is called "How to Read a Book". It's where I learned that there were levels to reading that I'd never even imagined. It changed my life. Read this if you want it to change yours:

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 months

I need to say something about this reaction to this woman's TikTok. "If you aren't the best right out of the gate then don't even bother trying" is an extremely toxic belief that makes learning math a miserable experience for everybody involved.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

Fear seems right and healthy to me right now. Too many people seem surprisingly calm about all the death.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

data science

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

Anyways. We're at the end of the thread. So let me repeat. There are HALF A MILLION dead Americans in case it's already slipped your mind.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

therapist: and what do we do when we’re stressed about deadlines? me: start a new research project? therapist: no

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

Essential workers were expected to risk their lives for pizza deliveries. My Amazon orders continued to be so dependable that it was notable when something was actually late.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

so i guess we’re doing this now

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

FOUR things to know about race and gender bias in algorithms: 1. The bias starts in the data 2. The algorithms don't create the bias but they do transmit it 3. There are a huge number of other biases. Race and gender bias are just the most obvious 4. It's fixable! 🧵👇

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

There have been riots over racism. And riots over elections. But no riots over all the dead people. Perhaps you suspect that deep down that's what the riots were really about. If so, I guess nobody felt comfortable enough to admit it.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 month

This is why we need more humanities education. People don't even know what a book is for.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

when your deep learning model is literally just a logistic regression

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

when you try to take away p-values from scientists

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

the data science life

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

the choice is yours

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

Four reasons why I think authorship on academic papers should be more like movie credits:

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

White offenders cause more violent crime than every other group. If *you* think race is an important causal factor then we must conclude that reducing the rate at which white people commit violent crime would have the biggest impact not just for white people but America. 🇺🇸 🦅

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

4 years

I have a statistics joke but the average person would think it’s mean.

Gautam Menon

@MenonBioPhysics

4 years

I have an epidemiology joke but it hasn't yet gone viral.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Statistics vs Data Science

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

In a truly race-blind society, where most of the people are white and where victims are being selected purely at random, the vast majority of crimes committed by black offenders *should* involve white victims. This should be our default hypothesis.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

5 years

how statistics people feel watching people in machine learning solve problems

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

chapgpt is such a wuss lol

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

2 years

Pursuing a statistics PhD at Harvard was one of the best decisions of my life. Statistical thinking is a superpower that gives you powerful frameworks for simplifying the complexity of daily life. THREAD: 8 principles I learned while studying statistics that might help you too

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Note that I'm just using this as a teaching example. If we were doing this for real, we'd need to adjust for all kinds of things like Biden's birth year, income, race and many other things.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

There's a big mansion that I pass regularly on my run. Early in the pandemic, there was always a big basket out front full of basic supplies with a sign that read "For delivery drivers. Thank you!" Thanks for risking your life! Here's some toilet paper.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Do we think that the primary cause of black-on-white crime in America is anti-white racism or is it vastly more likely that it’s because Black Americans are disproportionately poor and White Americans are disproportionately rich?

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

People continued to work.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

wait what???

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

This thread walks you through a concrete example of how an algorithm can learn racism. It uses some math but only the minimum amount of math possible and has lots of pictures. It is *very* accessible. If that sounds like your thing read on. 🧵👇

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

SUMMARY: This is a bad use of data. - misleading format - poor organization - missing context - confounding by age, income and probably many other factors - naive use of a poor outcome measure (violent crime)

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

3 years

the covid trolley problem

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

Notice that the chart excludes cases where the race of the victim and the perpetrator are the same. This reinforces the framing of crime as a form of harm that one race perpetrates against another since incidents where its the same race aren’t even counted here as harms.

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🔥Kareem Carr | Statistician 🔥

@kareem_carr

1 year

In my opinion, the original table is vastly superior to the bar chart. It communicates clearly the fact that the rates at which white victims experience violent crime involving black offenders is very similar to the overall percentage of black people in the population (14.6%).

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