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Getting started2 months ago
Introduction | Age stratification example | Geography | Disease subtype | Conclusion
Getting Started8 months ago
Download jar files using Maven | Caching of Java libraries | Using local repository Jar files in rJava | Java compilation | Step 0: write some java code | Step 1: compile the jar | Step 2: use the jar | Options and configuration | What else could you do? | Further work
Estimating the reproduction number from right censored data11 months ago
Background | Simulation
Estimating the reproduction number from weekly data11 months ago
Background | Simulation with weekly data
Simulations and test harnesses11 months ago
Background | Specifying time varying parameters | Step and linear functions | Random functions | Delay distributions and delay RNGs | Periodic functions | Simulation cookbook | Count based simulations | Basic growth rate possion model with ascertainment noise. | Seasonal outbreak using a reproduction number | Line list simulations | Basic outbreak with delays and censoring | Variant introduction: Alpha example | Two variants: Delta outbreak | Over-dispersion | Age stratification & contact matrices | Future steps
Data wrangling and working with ggoutbreak11 months ago
Line lists vs. time series | Coercing data into ggoutbreak format | A simple linelist | Count data | More detail on time periods | Times in ggoutbreak and conversion of line-lists | Aggregating time series datasets.
England COVID-19 cases11 months ago
Incidence and growth rate from case positive counts | Reproduction number estimation | Prevalence and growth rate from test positivity rates | NHS COVID app
Estimating the reproduction number from modelled incidence11 months ago
Introduction | Methods | Numerical stability | Infectivity profile uncertainty | Implementation | Results | Conclusion
Infectivity profile discretisation11 months ago
Conclusion
Multinomial proportions models for genomic variants11 months ago
COVID-19 proportions in England | Multinomial proportions model. | Binomial proportions model
Population comparisons and incidence11 months ago
Incidence Poisson rate model | Proportion model | Pre test probability
Sampling the infectivity profile from published serial interval estimates11 months ago
Alternative resampling | Conclusion | Addendum
Simulation tests for growth rate estimators11 months ago
Locfit models | Simple incidence test with a poisson model | Multinomial data | Poisson model | One versus others Binomial model | Multinomial model | GLM models | Binomial model
ABC Adaptive11 months ago
Introduction | Step 1: Define the Model, Data, and Priors (Recap) | Step 2: Run ABC-Adaptive | Step 3: Visualize the Results | Step 4: Diagnose Convergence | Step 5: Visualize Parameter Evolution | Step 6: Check Parameter Correlations | Conclusion
Getting started with tidyabc11 months ago
Introduction | Step 1: Define the Simulation Function | Step 2: Define the Scoring Function | Step 3: Generate Observed Data (Ground Truth) | Step 4: Visualize the Observed Data | Step 5: Define Prior Distributions | Step 6: Run ABC Rejection Sampling | Step 7: Plot the Results | Conclusion
Statistical distributions in tidyabc11 months ago
Introduction | Reparameterised statistical distributions | Core Functions | Selected Examples | List of Additional Families | Specialized Random Number Generators | Distribution family S3 class: | Creating dist_fns Objects | From Standard Families | Creating Multiple Distributions with pmap_dist_fns | Manipulating dist_fns Objects in Data Frames | Applying Transformations: Truncation Example | Combining dist_fns: Mixture Distributions | Fitting Empirical Distributions | From Quantiles using empirical_cdf | Ensemble of Quantile-Based Distributions as a Mixture | From Samples using empirical_data | Weighted Sample Fitting | Using wquantile for Quantiles from Weighted Data | Conclusion
ABC Sequential Monte-Carlo11 months ago
Introduction | Step 1: Define the Model and Data (Recap) | Step 2: Inform Scoring Weights (Optional but Recommended) | Step 3: Run ABC-SMC | Step 4: Visualize the Results | Step 5: Diagnose Convergence | Step 6: Visualize Parameter Evolution | Step 7: Check Parameter Correlations | Conclusion
Simulation, scoring and convergence functions11 months ago
Introduction | 1. Writing the Simulation Function (sim_fn) | Inputs | Output | Example | 2. Writing the Scoring Function (scorer_fn) | Combining Scorer Outputs and Comparison to Observed Scores | Score Weights (scoreweights) | 3. Debugging and Parallelisation | 4. The Convergence Function (converged_fn) | Inputs to converged_fn | Output of converged_fn | The default_termination_fn | 5. Writing a Custom Convergence Function | Structure | Example: Convergence Based on ESS and Distance Reduction | Example: Convergence Based on Parameter Variance | Key Considerations for Custom Functions | Conclusion
Getting Started with Arear1 years ago
Background | Maps and capacity data | Containment | Intersection | Areal interpolation | Geography as network | Preview a map with points of interest overlaid | Estimating the catchment areas of hospitals. | Displaying e.g. London as a popout | Facetted plot labelling
dtrackr - Basic operations1 years ago
Tracking data provenance | Basic operation - comments and stratification | Status - Further analysis in the workflow | Filtering, exclusions and inclusions | Excluded data | Formatting options | Advanced handling of the history graph. | Combined data flows
dtrackr - Configuration example1 years ago
Global configuration | Formatting options | Recording options | Naming conventions for groups | Default text | Subgroup count | Exclusions | Reporting exclusions which do nothing | Maximum groupings | Verbose output
dtrackr - Grouping, Nesting and Long format data1 years ago
Maximum groupings
Getting started with ggoutbreak1 years ago
Background | Installation | Features | Simulation | Models: | Time varying parameters: | Scoring | Estimation methods | Infectivity profile estimation | Poisson rate models | Binomial proportion models | Multinomial proportion models | $R_t$ estimation methods: | EpiEstim wrapper | Reimplementation of Cori method | Wallinga and Lipsitch growth rates method | $R_t$ from modelled incidence | Bootstrapped renewal eqaution
Multiple dispatch based on dataframes1 years ago
Rationale | Dispatch | Grouping based dispatch
Dataframe validation1 years ago
Rationale | Defining an interface | Extension and composition | Grouping | Documentation | Type coercion | More complex type constraints | Default dataframe values | Conclusion
Tools to work with interfacer1 years ago
Automating iface specifications | Dataframe documentation | roxygen2 documentation
huxtableone: Configuration2 years ago
Configuration and formatting options | Column labelling | Content format | Summary types | Customising the number of decimal places | Summary format customisation | Custom layouts | Footer customisation
huxtableone: Getting started2 years ago
Formula versus tidyselect interface | Simple population description example | Comparing the population by intervention | Analysis of missing data | Conversion of discrete data | Making missing factors explicit: | Non biomedical data
Parameter consistency checking with interfacer2 years ago
Toy example
dtrackr - Consort statement example2 years ago
CONSORT statement | Excluded data | Tagging the pipeline | Reusable functions | References
Nested dataframes and purrr style list columns2 years ago
Nesting & list columns | Conclusion
Consistency checking with pkgutils3 years ago
Toy example
dtrackr - Joining data pipelines3 years ago
Joins across data sets | Unions