#evsi
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paperposterbot.bsky.social
arXiv📈🤖
Calculating the Expected Value of Sample Information for Observational Studies affected by Confounding
By Benetti, Baio, Heath
Background: The Expected Value of Sample Information (EVSI) quantifies the value of collecting additional evidence to inform a health economic model. Existing EVSI methods typically assume idealized data collection mechanisms, most commonly randomized controlled trials (RCTs). However, in many realistic contexts, additional evidence comes from observational studies, which are subject to confounding or other bias. In this work, we define a methodology to calculate EVSI when additional data are observational and confounded. Methods: First, we define a simulation-based framework in which confounded observational data are generated through Inverse Target Trial Emulation (ITTE), a methodology that generates observational data with controlled levels of confounding starting from initial level data or prior information on population structure. Then, we apply inverse probability weighting (IPW) to obtain an adjusted summary statistic of the data targeting the corresponding randomized estimand. EVSI is finally computed using a regression based approach. Moreover, we propose a computationally efficient method to determine the sample size required to recover the EVSI achievable under an idealized randomized design. Results: We apply the methodology to two health economic models: a Normal Normal conjugate model and a chemotherapy treatment model combining a decision tree and Markov structure. We show that EVSI computed from observational data, even after adjustment, is lower than EVSI based on randomized data. The loss in EVSI increases with the level of induced confounding. Conclusions: This methodology extends EVSI when future evidence is expected to be observational and affected by confounding, enabling value-of-information analysis in more realistic and feasible data collection scenarios. It also provides a principled approach to sample size planning when observational evidence is anticipated.
October 6, 2026 at 9:40 AM
p3dro21.bsky.social
music.youtube.com/watch?v=EvsI...
The Hidden Camera
YouTube video by Photek - Topic
music.youtube.com
September 16, 2026 at 2:40 PM
mzloteanu.bsky.social
#statstab #603 A More Complete Post on Decision Theory and EVSI in A/B Testing

Thoughts: Interesting to consider, mostly for replications imo.

#samplesize #poweranalysis #bayesian #evsi #loss #utility #ABtesting #decisiontheory

dpananos.github.io/posts/2026-0...
A More Complete Post on Decision Theory and EVSI in A/B Testing – Demetri Pananos Ph.D
dpananos.github.io
August 26, 2026 at 5:52 PM
paperposterbot.bsky.social
arXiv📈🤖
Calculating the Expected Value of Sample Information accounting for missing data
By Benetti, Baio, Heath
The Expected Value of Sample Information (EVSI) is a powerful instrument to determine the value of additional evidence to inform an economic model. However, EVSI has been applied only to idealized data collection mechanisms, thereby reducing its potential applications in realistic studies. In this paper, we define a methodology to calculate EVSI when the additional evidence we aim to collect exhibits missing data; a very common challenge in real-world studies. First, we define how to simulate individual-level data and how to induce missingness inside the simulated data. We will reproduce Missing Completely At Random (MCAR), Missing At Random (MAR), and Missing Not At Random (MNAR) missing data mechanisms. Then, we will apply the multiple imputation method to adjust for the bias related to the missing data. Finally, we use the imputed data to compute the EVSI using nonparametric regression methods. We apply the novel methodology to two different health economic models and compare the EVSI computed on data without missingness with the EVSI with different types of missing data. We show that the EVSI decreases when the additional evidence suffers from missingness, and therefore, we define a method to efficiently compute the sample size we need to collect to recover the idealized EVSI (without missingness). We find out that the number of additional samples needed to correct for missing data exceeds that coming from standard approaches. With this methodology, we compute EVSI when the additional data are affected by non-trivial forms of missingness, modeling both the MAR and MNAR mechanisms, and extending EVSI calculation to more realistic scenarios. The fact that the necessary sample size to recover the idealized EVSI exceeds that of standard methods suggests that this methodology potentially represents a novel technique for sample size calculation in realistic studies.
August 24, 2026 at 10:27 PM
cranni.bsky.social
➤ youtu.be/kpmdU9-EvsI
Sonic Racing: CrossWorlds Has Me FLOORED
YouTube video by Cranni
youtu.be
February 16, 2025 at 9:44 PM
evsjunker.bsky.social
It’s is Friday…. So I wanted to throw this one at you again, because why not😉
#wynonnaeap
#wayhaught

archiveofourown.org/works/24578839
Friday Night - Evsi - Wynonna Earp (TV) [Archive of Our Own]
An Archive of Our Own, a project of the Organization for Transformative Works
archiveofourown.org
December 20, 2024 at 6:55 PM
paperposterbot.bsky.social
arXiv📈🤖
Calculating the Expected Value of Sample Information accounting for missing data
By Benetti, Baio, Heath
The Expected Value of Sample Information (EVSI) is a powerful instrument to determine the value of additional evidence to inform an economic model. However, EVSI has been applied only to idealized data collection mechanisms, thereby reducing its potential applications in realistic studies. In this paper, we define a methodology to calculate EVSI when the additional evidence we aim to collect exhibits missing data; a very common challenge in real-world studies. First, we define how to simulate individual-level data and how to induce missingness inside the simulated data. We will reproduce Missing Completely At Random (MCAR), Missing At Random (MAR), and Missing Not At Random (MNAR) missing data mechanisms. Then, we will apply the multiple imputation method to adjust for the bias related to the missing data. Finally, we use the imputed data to compute the EVSI using nonparametric regression methods. We apply the novel methodology to two different health economic models and compare the EVSI computed on data without missingness with the EVSI with different types of missing data. We show that the EVSI decreases when the additional evidence suffers from missingness, and therefore, we define a method to efficiently compute the sample size we need to collect to recover the idealized EVSI (without missingness). We find out that the number of additional samples needed to correct for missing data exceeds that coming from standard approaches. With this methodology, we compute EVSI when the additional data are affected by non-trivial forms of missingness, modeling both the MAR and MNAR mechanisms, and extending EVSI calculation to more realistic scenarios. The fact that the necessary sample size to recover the idealized EVSI exceeds that of standard methods suggests that this methodology potentially represents a novel technique for sample size calculation in realistic studies.
July 29, 2026 at 8:18 PM
paperposterbot.bsky.social
Estimating the EVSI with Gaussian Approximations and Spline-Based Series Methods https://arxiv.org/abs/2401.17393 Background. The Expected Value of Sample Information (EVSI) measures the expected benefits that could be obtained by collecting additional data. Estimating EVSI using the traditional 📈🤖
February 1, 2024 at 4:31 PM
memorexmeridian.bsky.social
youtube.com/watch?v=EvsI...

Photek - The Hidden Camera

#Photek #DNB #Drumandbass #Breaks #Breakbeat #Metalheadz #EDM #Ukbass #Bass #Drums #Sounddesign
The Hidden Camera
YouTube video by Photek - Topic
youtube.com
June 27, 2026 at 12:52 AM
gonewsturkiye.bsky.social
📰 İstanbul'da beklenen aşırı soğuklar için bilimsel uyarılar ve önlemler

İstanbul Valisi Davut Gül, kentte 4 dereceye düşen ve hafta sonu daha da düşmesi beklenen aşırı soğuk hava nedeniyle vatandaşları uyardı. Gül, evsi...

🔗 https://gonewsturkey.com/2025/12/27/istanbulda-beklenen-asiri-sogukla...
bilim: İstanbul'da beklenen aşırı soğuklar için bilimsel uyarılar ve önlemler
December 27, 2025 at 1:33 AM
albaladejo.bsky.social
Hace 20 años gustaba de fumarme un peta y recostarme a oscuras con este disco de dnb orgánico, jazzístico y misterioso. Me han pasado muchas cosas desde entonces (ya no fumo), pero esta música me sigue pareciendo tan magnética como inquietante. Feliz Juaguelin, grupo www.youtube.com/watch?v=EvsI...
The Hidden Camera
Provided to YouTube by Universal Music GroupThe Hidden Camera · PhotekModus Operandi℗ 1996 Virgin Records LimitedReleased on: 1997-01-01Producer: PhotekCompo...
www.youtube.com
October 31, 2023 at 12:05 PM
edesouza.bsky.social
EVSI, EVPI brings back memories of my first course in statistics taught by Jacques Drèze, oh so many years ago
November 22, 2024 at 9:37 AM
baker.bluesky.siacone.art
music.youtube.com/watch?v=Evsi...
[初音ミク] 原創「煙花漫天」
YouTube video by Baker Siacone (Baker Siacone)
music.youtube.com
July 12, 2025 at 7:44 PM
observationsociete.fr
Les explications de l'Insee sur l'espérance de vie sans incapacité, utilisé souvent sans grandes précautions
blog.insee.fr/que-dit-l-es...
Vivre vieux, vivre mieux : que dit l’espérance de vie sans incapacité ?
L’espérance de vie sans incapacité (EVSI) s’est imposée comme un indicateur de référence dans le débat public, pour évaluer le nombre d’années
blog.insee.fr
January 14, 2025 at 7:39 AM
vegandreamer.bsky.social
Willie Nelson Greatest Hits Full Album - Best Country Music Of Willie Nelson Essential songs www.youtube.com/watch?v=EvSI...
Willie Nelson Greatest Hits Full Album - Best Country Music Of Willie Nelson Essential songs
YouTube video by Country Collection Songs
www.youtube.com
July 21, 2026 at 12:27 AM
jmlaurentvo.bsky.social
blog.insee.fr/que-dit-l-es...
Vivre vieux, vivre mieux : que dit l’espérance de vie sans incapacité ?
L’espérance de vie sans incapacité (EVSI) s’est imposée comme un indicateur de référence dans le débat public, pour évaluer le nombre d’années
blog.insee.fr
December 31, 2024 at 1:59 PM
leviathancross27.bsky.social
Fans of Drag Race España will recognize the amazing Supremme de Luxe, but did you know that she is a recording artist in addition to being a drag queen? Here's "Llevame al Cielo" ("Take Me to Heaven"). ¡Yo sé que te gustarás! #funmusicfriday music.youtube.com/watch?v=evSi...
Llévame al Cielo - YouTube Music
Provided to YouTube by Altafonte Llévame al Cielo · Supremme de Luxe Llévame al Cielo ℗ 2021 Daniel Blesa Moreno Released on: 2021-06-11 Composer: Micha...
music.youtube.com
April 5, 2024 at 1:30 PM
phdemetri.bsky.social
The EVSI problem basically says collect enough data until more data won’t change your mind.
November 10, 2024 at 7:26 PM
phdemetri.bsky.social
dpananos.github.io/posts/2024-0...

I explore some thoughts on calibration here. The thought being, if the EVSI tells me I have a x% chance of changing my mind with new data, then hopefully I would change my mind x% of the time.
Demetri Pananos Ph.D - Calibration of Mind Changing for Bayesian AB Tests
dpananos.github.io
November 10, 2024 at 7:25 PM
tomorohhidari.bsky.social
コーヒーね
#NowPlaying

Photek - Modus Operandi
www.youtube.com/watch?v=EvsI...
The Hidden Camera
Provided to YouTube by Universal Music GroupThe Hidden Camera · PhotekModus Operandi℗ 1996 Virgin Records LimitedReleased on: 1997-01-01Producer: PhotekCompo...
www.youtube.com
May 29, 2024 at 7:50 AM
dersimli6224.bsky.social
Graz'da Evsizler Barınağında Bıçaklı Kavga: 3 Yaralı welgmedya.com/graz-da-evsi...
August 7, 2026 at 12:42 PM
fabricelenglart.bsky.social
La DREES publie les indicateurs d'espérance de vie sans incapacité (EVSI). Après 3 années perturbées par le Covid, 2023 marque le retour sur les évolutions tendancielles. 🧵(1/2)
drees.solidarites-sante.gouv.fr/publications...
December 31, 2024 at 9:48 AM
peoples-pop-polls.bsky.social
#PPP96

3.21
EVERYTHING BUT THE GIRL! www.youtube.com/watch?v=EBQm...
KENICKIE! www.youtube.com/watch?v=1TK9...

3.22
LADY SAW! www.youtube.com/watch?v=nche...
PHOTEK! www.youtube.com/watch?v=EvsI...

Vote! docs.google.com/forms/d/e/1F...
MAGIC! magazine - revue pop moderne - with Everything But The Girl on the cover looking away from each other A TikTok of Photek in his 1996 Home Studio
August 14, 2026 at 8:09 PM
peoples-pop-polls.bsky.social
#PPP96 Round 2 Match A4

1 PHOTEK! www.youtube.com/watch?v=EvsI...
2 CORRINA JOSEPH! www.youtube.com/watch?v=bkqd...
3 THEO PARRISH! www.youtube.com/watch?v=CdIB...
4 RYOJI IKEDA! www.youtube.com/watch?v=xHaU...

Vote! docs.google.com/forms/d/e/1F...
PHOTEK on the Wire in 1997 - a pale and slightly unhealthy looking guy in a blue blazer and white top and shoes “Photek rocks so hard” “you have to go right back to the earliest definition of Garage. The term came about by mistake when the UK music media conflated the soulful house coming out of New Jersey with the Paradise Garage club in New York, So what was originally labelled Garage was, like you say, house music. The term stuck in England as describing U.S. soulful house music. A good place to start if you want to understand…” “Yesss️‍ “ “this made me nauseous at a few points I also could just be hungry, not sure “
July 30, 2026 at 8:56 PM