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thibautjombart / covid19_bed_occupancy

Shiny app providing estimates of future bed occupancy given recent admissions
https://cmmid-lshtm.shinyapps.io/hospital_bed_occupancy_projections/
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GUI: add ability to specify range of values for doubling time (and others?) #7

Closed samclifford closed 4 years ago

samclifford commented 4 years ago

For each parameter that we want to consider being drawn from a distribution, it would be good to have a drop-down menu for log-Normal, Gamma and Uniform. If a log-Normal or Gamma are selected, users should be asked to provide two quantiles. A uniform distribution should ask for a min and max. It should be clear to the users which parameters are being asked for.

Other options include specifying the mean and variance of a Gamma distribution and doing moment matching to determine the shape and rate/scale parameters. Asking for the mean and variance of a log-Normal is a bad idea because the mapping from log-N(x) to N of log(x) is not straightforward.

thibautjombart commented 4 years ago

@samclifford feel free to close this issue if you are happy with the current implementation