Site 2601

[pwinskill]

Updates for compliance with site-file updates January 2026.

Functions in malariasimulation.R that help the user determine the malariasimulation inputs that correspond to target model-usage for bednets have been updated. They now include the ability for the user to specify the net loss function (exponential or logistic (MAP)). This is to align with the logistical net loss form being implemented in the model.

Note that this fitting operation is still required as the full MAP net model (distribution <-> crop <-> acess <-> usage) remains different to the malariasimulation model (distribution -> usage).

I have checked:

1. That using new functionality with the net_loss_exp and matching retention restores previous functionality.
2. That usage predictions over time from model_distribution_to_usage() match those in the n_use_net model output variable (when randomly distributed).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.05%. Comparing base (ac8cd8a) to head (3f4bf9c).
⚠️ Report is 14 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #36      +/-   ##
==========================================
+ Coverage   97.14%   98.05%   +0.90%     
==========================================
  Files           6        4       -2     
  Lines         140      154      +14     
==========================================
+ Hits          136      151      +15     
+ Misses          4        3       -1     

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