Adan Z. Becerra, PhD
@adanbecerraphd.bsky.social
📊📉I am an epidemiologist interested in all things RWE, statistics, health economics, and technology. 🏥⚕️
Pinned
https://academic.oup.com/ajhp/advance-article-abstract/doi/10.1093/ajhp/zxae309/7833451?redirectedFrom=fulltext&login=false
t.co
🚨NEW PUBLICATION ALERT🚨
Using a novel bibliometric index, notoriously known as the disruption score, we unveil the top 100 most disruptive papers in pharmacy literature shedding light on a captivating body of work that has profoundly changed the field
#pharmacy #disruption
t.co/espJd7LEIN
Using a novel bibliometric index, notoriously known as the disruption score, we unveil the top 100 most disruptive papers in pharmacy literature shedding light on a captivating body of work that has profoundly changed the field
#pharmacy #disruption
t.co/espJd7LEIN
Reposted by Adan Z. Becerra, PhD
Working on a grant and this factoid in my significance section is blowing my mind:
Forty four percent of all Americans receive at least some health insurance via a government supported individual choice health insurance market.
#HealthPolicy
Forty four percent of all Americans receive at least some health insurance via a government supported individual choice health insurance market.
#HealthPolicy
January 30, 2025 at 5:28 PM
Working on a grant and this factoid in my significance section is blowing my mind:
Forty four percent of all Americans receive at least some health insurance via a government supported individual choice health insurance market.
#HealthPolicy
Forty four percent of all Americans receive at least some health insurance via a government supported individual choice health insurance market.
#HealthPolicy
Reposted by Adan Z. Becerra, PhD
December 29, 2024 at 4:23 PM
Reposted by Adan Z. Becerra, PhD
⭐Tomorrow, Vanessa Didelez will present "Statistical Methods for Causal Inference with Time-to-Event Data in Epidemiology" at @bemcolloquium.bsky.social!
🗓️ Wed. Jan. 8
🕔 16:00 Berlin time (CET)
📍 Zoom webinar
Abstract + webinar sign up link: bemcolloquium.com/meetings-cal...
#EpiSky #CausalSky
🗓️ Wed. Jan. 8
🕔 16:00 Berlin time (CET)
📍 Zoom webinar
Abstract + webinar sign up link: bemcolloquium.com/meetings-cal...
#EpiSky #CausalSky
BEMC Talks
BEMC Talks are generally held on the first Wednesday of each month at 4pm Berlin time (GMT+01:00) with some adjustments for holidays. An hour-long lecture will be followed by an interactive group d…
bemcolloquium.com
January 7, 2025 at 4:04 PM
⭐Tomorrow, Vanessa Didelez will present "Statistical Methods for Causal Inference with Time-to-Event Data in Epidemiology" at @bemcolloquium.bsky.social!
🗓️ Wed. Jan. 8
🕔 16:00 Berlin time (CET)
📍 Zoom webinar
Abstract + webinar sign up link: bemcolloquium.com/meetings-cal...
#EpiSky #CausalSky
🗓️ Wed. Jan. 8
🕔 16:00 Berlin time (CET)
📍 Zoom webinar
Abstract + webinar sign up link: bemcolloquium.com/meetings-cal...
#EpiSky #CausalSky
Reposted by Adan Z. Becerra, PhD
January 3, 2025 at 6:23 AM
Reposted by Adan Z. Becerra, PhD
Because 2025 = 45² and 45 is a triangle number, we get these lovely sums:
2025 = (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9)²
2025 = 1³ + 2³ + 3³ + 4³ + 5³ + 6³ + 7³ + 8³ + 9³
Pleasingly the next triangle number 55 is 10 more, so get ready for a repeat of this fact in the year 3025.
2025 = (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9)²
2025 = 1³ + 2³ + 3³ + 4³ + 5³ + 6³ + 7³ + 8³ + 9³
Pleasingly the next triangle number 55 is 10 more, so get ready for a repeat of this fact in the year 3025.
December 31, 2024 at 1:32 PM
Because 2025 = 45² and 45 is a triangle number, we get these lovely sums:
2025 = (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9)²
2025 = 1³ + 2³ + 3³ + 4³ + 5³ + 6³ + 7³ + 8³ + 9³
Pleasingly the next triangle number 55 is 10 more, so get ready for a repeat of this fact in the year 3025.
2025 = (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9)²
2025 = 1³ + 2³ + 3³ + 4³ + 5³ + 6³ + 7³ + 8³ + 9³
Pleasingly the next triangle number 55 is 10 more, so get ready for a repeat of this fact in the year 3025.
Reposted by Adan Z. Becerra, PhD
All I want for Christmas is uuuuuniversally unique identifiers instead of incrementing integers!
December 24, 2024 at 2:07 AM
All I want for Christmas is uuuuuniversally unique identifiers instead of incrementing integers!
Reposted by Adan Z. Becerra, PhD
Upgrade your #causalinference arsenal.
A revision of our book "Causal Inference: What If" is available at miguelhernan.org/whatifbook
Thanks to everyone who suggested improvements, reported typos, and proposed new citations and material.
Enjoy the #WhatIfBook plus code and data. Also, it's free.
A revision of our book "Causal Inference: What If" is available at miguelhernan.org/whatifbook
Thanks to everyone who suggested improvements, reported typos, and proposed new citations and material.
Enjoy the #WhatIfBook plus code and data. Also, it's free.
December 23, 2024 at 9:28 AM
Upgrade your #causalinference arsenal.
A revision of our book "Causal Inference: What If" is available at miguelhernan.org/whatifbook
Thanks to everyone who suggested improvements, reported typos, and proposed new citations and material.
Enjoy the #WhatIfBook plus code and data. Also, it's free.
A revision of our book "Causal Inference: What If" is available at miguelhernan.org/whatifbook
Thanks to everyone who suggested improvements, reported typos, and proposed new citations and material.
Enjoy the #WhatIfBook plus code and data. Also, it's free.
Reposted by Adan Z. Becerra, PhD
Excellent post about the recent OpenAI o3 results on ARC (& other benchmarks). I don't know how @natolambert.bsky.social manages to write these so quickly! I highly recommend his newsletter.
www.interconnects.ai/p/openais-o3...
I am (more slowly) writing my own take on all this, coming soon.
www.interconnects.ai/p/openais-o3...
I am (more slowly) writing my own take on all this, coming soon.
o3: The grand finale of AI in 2024
A step change as influential as the release of GPT-4. Reasoning language models are the current big thing.
www.interconnects.ai
December 21, 2024 at 7:52 PM
Excellent post about the recent OpenAI o3 results on ARC (& other benchmarks). I don't know how @natolambert.bsky.social manages to write these so quickly! I highly recommend his newsletter.
www.interconnects.ai/p/openais-o3...
I am (more slowly) writing my own take on all this, coming soon.
www.interconnects.ai/p/openais-o3...
I am (more slowly) writing my own take on all this, coming soon.
Reposted by Adan Z. Becerra, PhD
I was today years old when I found this gem of a web app to explore 2500+ color palettes for R:
r-graph-gallery.com/color-palett...
r-graph-gallery.com/color-palett...
R Color Palette Finder
The ultimate tool for finding the perfect color palette for data visualization with R and paletteer. Explore over 2000 palettes, see them in action on various charts, simulate color blindness, and exp...
r-graph-gallery.com
December 20, 2024 at 8:09 PM
I was today years old when I found this gem of a web app to explore 2500+ color palettes for R:
r-graph-gallery.com/color-palett...
r-graph-gallery.com/color-palett...
Reposted by Adan Z. Becerra, PhD
R #statsky are we using the magrittr pipe (%>%) or the base pipe (|>) in most cases these days? I've been away from R for a while, and I'm curious where things have trended.
December 17, 2024 at 1:03 AM
R #statsky are we using the magrittr pipe (%>%) or the base pipe (|>) in most cases these days? I've been away from R for a while, and I'm curious where things have trended.
Reposted by Adan Z. Becerra, PhD
Estimating conditional means when y ≥ 0:
(1) Poisson regression
(2) OLS using log(y + 1)
(3) negative binomial regression
(4) Bayesian zero-inflated negative binomial regression
(1) Poisson regression
(2) OLS using log(y + 1)
(3) negative binomial regression
(4) Bayesian zero-inflated negative binomial regression
December 19, 2024 at 1:27 PM
Estimating conditional means when y ≥ 0:
(1) Poisson regression
(2) OLS using log(y + 1)
(3) negative binomial regression
(4) Bayesian zero-inflated negative binomial regression
(1) Poisson regression
(2) OLS using log(y + 1)
(3) negative binomial regression
(4) Bayesian zero-inflated negative binomial regression
Reposted by Adan Z. Becerra, PhD
Those who used to follow me on Twitter know that I tediously made the distinction between a model and an estimation method. In one thread, I considered regressions in a treatment effect context:
Y on 1, D, X
Y on 1, D, X, D*(X - Xbar)
It is common to refer to the first as "OLS."
Y on 1, D, X
Y on 1, D, X, D*(X - Xbar)
It is common to refer to the first as "OLS."
December 19, 2024 at 2:21 PM
Those who used to follow me on Twitter know that I tediously made the distinction between a model and an estimation method. In one thread, I considered regressions in a treatment effect context:
Y on 1, D, X
Y on 1, D, X, D*(X - Xbar)
It is common to refer to the first as "OLS."
Y on 1, D, X
Y on 1, D, X, D*(X - Xbar)
It is common to refer to the first as "OLS."
Nay unless you convince me otherwise.
December 19, 2024 at 7:00 AM
Nay unless you convince me otherwise.
Reposted by Adan Z. Becerra, PhD
I am a VERY compulsive saver! I can't help it!
December 18, 2024 at 5:45 PM
I am a VERY compulsive saver! I can't help it!
Reposted by Adan Z. Becerra, PhD
Just pushed a Christmas update to {ggblanket}. I decided to support colour blending. It uses {ggblend} under the hood (thanks @mjskay.com), which uses graphics features developed by Paul Murrell. Give {ggblanket} and {ggblend} a star, if you find them useful. Oh, and have a merry Christmas #rstats
December 18, 2024 at 1:52 AM
Just pushed a Christmas update to {ggblanket}. I decided to support colour blending. It uses {ggblend} under the hood (thanks @mjskay.com), which uses graphics features developed by Paul Murrell. Give {ggblanket} and {ggblend} a star, if you find them useful. Oh, and have a merry Christmas #rstats
Reposted by Adan Z. Becerra, PhD
Join me virtually next month for the International Biometric Society Distinguished Lecture on January 30!
“Ethical AI is More than Loss Functions"
www.biometricsociety.org/education/dls
“Ethical AI is More than Loss Functions"
www.biometricsociety.org/education/dls
December 18, 2024 at 7:38 PM
Join me virtually next month for the International Biometric Society Distinguished Lecture on January 30!
“Ethical AI is More than Loss Functions"
www.biometricsociety.org/education/dls
“Ethical AI is More than Loss Functions"
www.biometricsociety.org/education/dls
Reposted by Adan Z. Becerra, PhD
Look right at me — moving data around is still the biggest problem in AI bar none. Literally getting your data into a place without mangling it is so hard and it’s so embarrassing for our profession. Imagine being like “Yes I know you invented infinite hydrogen energy but pipes are hard.”
December 18, 2024 at 3:29 PM
Look right at me — moving data around is still the biggest problem in AI bar none. Literally getting your data into a place without mangling it is so hard and it’s so embarrassing for our profession. Imagine being like “Yes I know you invented infinite hydrogen energy but pipes are hard.”
Reposted by Adan Z. Becerra, PhD
Regular reminder that we basically just make up what gets designated 'lower' and 'higher' order terms in regression models.
This paper isn't constructive but is fun. Don't rely on the marginality principle!
@maartenvsmeden.bsky.social
onlinelibrary.wiley.com/doi/10.1002/...
This paper isn't constructive but is fun. Don't rely on the marginality principle!
@maartenvsmeden.bsky.social
onlinelibrary.wiley.com/doi/10.1002/...
The marginality principle revisited: Should “higher‐order” terms always be accompanied by “lower‐order” terms in regression analyses?
The marginality principle guides analysts to avoid omitting lower-order terms from models in which higher-order terms are included as covariates. Lower-order terms are viewed as “marginal” to higher-...
onlinelibrary.wiley.com
December 18, 2024 at 1:13 PM
Regular reminder that we basically just make up what gets designated 'lower' and 'higher' order terms in regression models.
This paper isn't constructive but is fun. Don't rely on the marginality principle!
@maartenvsmeden.bsky.social
onlinelibrary.wiley.com/doi/10.1002/...
This paper isn't constructive but is fun. Don't rely on the marginality principle!
@maartenvsmeden.bsky.social
onlinelibrary.wiley.com/doi/10.1002/...
Reposted by Adan Z. Becerra, PhD
`etwfe` v0.5.0 is now available on CRAN (and R-universe). grantmcdermott.com/etwfe/
As a reminder, `etwfe` makes it easy to estimate Extended TwoWay Fixed Effects a la @jmwooldridge.bsky.social. Super flexible and good for nonlinear models, recovering heterogeneous TEs, etc.
#econsky #rstats
1/3
As a reminder, `etwfe` makes it easy to estimate Extended TwoWay Fixed Effects a la @jmwooldridge.bsky.social. Super flexible and good for nonlinear models, recovering heterogeneous TEs, etc.
#econsky #rstats
1/3
grantmcdermott.com
December 17, 2024 at 5:14 PM
`etwfe` v0.5.0 is now available on CRAN (and R-universe). grantmcdermott.com/etwfe/
As a reminder, `etwfe` makes it easy to estimate Extended TwoWay Fixed Effects a la @jmwooldridge.bsky.social. Super flexible and good for nonlinear models, recovering heterogeneous TEs, etc.
#econsky #rstats
1/3
As a reminder, `etwfe` makes it easy to estimate Extended TwoWay Fixed Effects a la @jmwooldridge.bsky.social. Super flexible and good for nonlinear models, recovering heterogeneous TEs, etc.
#econsky #rstats
1/3
Reposted by Adan Z. Becerra, PhD
Doug Bates, emeritus professor in the UW–Madison Statistics Department, was involved in the development of the S programming language that was eventually made into an #opensource package, the R language. Read his story: ospo.wisc.edu/community/pr...
December 17, 2024 at 6:09 PM
Doug Bates, emeritus professor in the UW–Madison Statistics Department, was involved in the development of the S programming language that was eventually made into an #opensource package, the R language. Read his story: ospo.wisc.edu/community/pr...
Reposted by Adan Z. Becerra, PhD
After so many years of using @zabore.bsky.social's survival analysis tutorial as reference, it was a delight to hear Emily speak about it for R-Ladies Philly! 💜 🔔 #rstats #rladies The recording is now available on YouTube.✨
An Introduction to Survival Analysis in R with Emily Zabor
This talk will provide a general introduction to survival analysis in R. After introducing the concept of and need for survival analysis methods, we will fir...
buff.ly
December 17, 2024 at 8:23 PM
After so many years of using @zabore.bsky.social's survival analysis tutorial as reference, it was a delight to hear Emily speak about it for R-Ladies Philly! 💜 🔔 #rstats #rladies The recording is now available on YouTube.✨
Reposted by Adan Z. Becerra, PhD
#Rstats trick of the day: I discovered lately here {marginaleffects} by @vincentab.bsky.social .
Total game changer.
With interaction terms in regressions: one line with {broom.helpers} to have the estimates for all categories, when you had to change manually the ref before
Love it
Total game changer.
With interaction terms in regressions: one line with {broom.helpers} to have the estimates for all categories, when you had to change manually the ref before
Love it
December 17, 2024 at 10:47 AM
#Rstats trick of the day: I discovered lately here {marginaleffects} by @vincentab.bsky.social .
Total game changer.
With interaction terms in regressions: one line with {broom.helpers} to have the estimates for all categories, when you had to change manually the ref before
Love it
Total game changer.
With interaction terms in regressions: one line with {broom.helpers} to have the estimates for all categories, when you had to change manually the ref before
Love it
Reposted by Adan Z. Becerra, PhD
As I near the end of my 3rd year as a freelance consultant, I decided to take time to review the opportunities I've been given this year and to acknowledge some of awesome people I have in my life who help make my work possible.
cghlewis.com/blog/year_20...
cghlewis.com/blog/year_20...
2024 Year in Review | Crystal Lewis
As I wrap up my 3rd year consulting, it's rewarding to look back on some of the highlights of the year. Image from Sincerely Media on Unsplash.
cghlewis.com
December 16, 2024 at 3:18 PM
As I near the end of my 3rd year as a freelance consultant, I decided to take time to review the opportunities I've been given this year and to acknowledge some of awesome people I have in my life who help make my work possible.
cghlewis.com/blog/year_20...
cghlewis.com/blog/year_20...