# 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("...
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 ...
• 315
1 vote
155 views

### 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 ...
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 ...
• 215
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 ...
• 215
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 ...
• 1,033
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 ...
• 41