Table 1 List of variables and modelling approaches.
List of variables | Variable type | Modelling approaches | ||
|---|---|---|---|---|
Time series GLM | Regularized GLM | Quantile regression forest | ||
Count of norovirus laboratory reports | Outcome/target | ✓ | ✓ | ✓ |
3-week rolling mean | Covariate/feature | ✓ | ✓ | |
Seasonal pattern fitted with Fourier terms | Covariate/feature | ✓ | ✓ | |
Central England Temperature | Covariate/feature | ✓ | ✓ | ✓ |
Google Trends | Covariate/feature | ✓ | ✓ | ✓ |
Google Community Mobility | Covariate/feature | ✓ | ✓ | ✓ |
Categorical indicators: | ||||
Christmas (week 52 every year) | Covariate/feature | ✓ | ||
Early Covid-19 pandemic (weeks 12 to 26, 2020) | Covariate/feature | ✓ | ||
Covid-19 pandemic (week 12, 2020–week 26, 2021) | Covariate/feature | ✓ | ||
