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Ongoing work and sample models for MIE397H, MIE290H, and MIE697
1. Interactive web models (may take a few seconds to load)
Disease spread through contacts modeled as conjugate of multiple contact layers, each with its own network properties. That is, a bottom-up approach of modeling each type of contact separately and integrating them to reconstruct interactions . Directly modeling one conjugate layer may overlook basic properties of indivdual contact layers
a. Modeling each layer as a type of contact, here family and social, each having different properties of contact formation (degree and clustering) models/TwoContactLayers-degree-clustCoeff.html
b. Modeling two types of contact layers, one static (family) and the other dyanamic (random)- Disease prediction
2. Vector-borne disease transmission model.
3. MIE697H: Finding the minimum value of a function- Comparing search paths of 2 algorithms, FDSA and SPSA*, from 5 arbitrariliy chosen starting points, Code by graduate student Richard Bryce (Click for MATLAB code)
*FDSA: finite difference stochastic approximation; SPSA: simultaneous perturbation stochastic approximation
4. Modeling spread of hypothetical disease based on mobility patterns from 4 countries:
A simple model to demonstrate the spread of a hypothetical disease in 154 territories across 4 countries assuming migration patterns as proxy for mobility patterns, in the absence of any intervention. Such a model may help identify response time, i.e., time between the first infected person to intervention, to prevent a major epidemic. This might inform sureveillance and response startegies. DATA SOURCES: Mobility patterns and population densities for West Africa, Flowminder/ WorldPop, https:// data.hdx.rwlabs.org/ dataset/ mobility- patterns-west-africa. last accessed(April-2016).
Bigger size is the randomly selected place of infection origin. Darker the shade of red earlier the place got infected
5. Examples from student assignments
MIE 397H: Undergraduate students Brooke Herzog and Jen Coppola develop two different methods to generate contacts between people over time and simulate transmission of an infectious disease.