Questions tagged [compartmental-models]

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How to estimate SEIR model parameter in R via RSS?

I tried to estimate the SEIR MODEL parameter in R by using the following code .Unfortunately I couldn't get it because I get the following error : "Error in names(parameters) <- c("...
federica's user avatar
4 votes
1 answer
53 views

Nearcasting disease spread: Why assume +1 immunized person per unit time?

I wouldn't normally consider the Stats SE to be the best place for this question, but neither the Medical Sciences SE nor the Biology SE seems to focus on macroscopic modelling, while this SE seems to ...
user2153235's user avatar
1 vote
1 answer
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How to define the "R" in SIR model - removed or recovered?

I have been trying to learn more about the SIR model since hearing about it due to recent events. In the process, I have heard various contradictory things. So I am ...
user avatar
8 votes
2 answers
1k views

Maximum Likelihood Estimate of Infection Model Parameters

I'm using the standard infection model on some data I am working with. $ dS = -\beta SI $ $ dI = \beta SI - \gamma I $ $ dR = \gamma I $ Where $S$ is the number of susceptible subjects, $I$ is the ...
Poisson Fish's user avatar
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2 answers
335 views

Least Squares Estimate of Infection Model Parameters

I'm using the standard infection model on some data I am working with. $ dS = -\beta SI $ $ dI = \beta SI - \gamma I $ $ dR = \gamma I $ Where $S$ is the number of susceptible subjects, $I$ is the ...
Poisson Fish's user avatar
142 votes
9 answers
29k views

Is Facebook coming to an end?

Recently, this paper has received a lot of attention (e.g. from WSJ). Basically, the authors conclude that Facebook will lose 80% of its members by 2017. They base their claims on an extrapolation ...
LessFaceMoreBook's user avatar
4 votes
2 answers
3k views

How to implement SIRS model?

I have been given a project to implement an SIRS model. While searching how to do it, I found this site and a question related to epidemic model. It is very much related to my project and is quite ...
Rani's user avatar
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5 votes
1 answer
561 views

How are epidemic models simulated in case of mobility?

I don't know whether this is a pure statistics, math or programming question so kindly let me know if there is a better place to post this question. I am trying to implement the SIS epidemic model ...
Legend's user avatar
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