Hierarchical forecasting of hospital admissions- ML approach (ensemble)

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1. Recap 2 Tune again Modelling Retuning 2.1 Retune Random Forest 2.2 Retune Prophet boost 2.3 Performance (after retuning) 3 Ensemble 3.1 Peformance (ensemble) 4 Performance (individual levels) Hospital Cluster level National level 5 The future Hospital Cluster National 6 KIV Plans Errors 1. Recap The aim of this series of blog is to predict monthly admissions to Singapore public acute adult hospitals.

Hierarchical forecasting of hospital admissions- ML approach (modeltime package)

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1 Intro 2 Cross validation Metrics 3. Pre-processing 3.1 Base recipe 3.2 Spline recipe 3.3 Prophet boost recipe 4 Modelling 4.1 GLM 4.2 MARS 4.3 RF 4.4 XGB 4.5 Prophet boost 5. Evaluation Conclusion 1 Intro The aim of this series of blog is to predict monthly admissions to Singapore public acute adult hospitals. EDA for the dataset was explored in past posts ( part 1 ; part 2 ).

Hierarchical forecasting of hospital admissions- ML approach (screen variables)

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1 Intro 2 Data wrangling 2.1 Long format with aggregated values 2.2 Extend into the future 2.3 External regressor 2.3.1 Lags and rolling lags 2.3.2 Covid 2.3.3 Time series features 3 Splitting 4 Pre-processing recipes Pre-processing order 5. Modelling Workflow 6. Evaluate 6.1 Evaluate against the training set What’s inside the calibrated table 6.1 Evaluate with cross validation 8 Conclusion 1 Intro The aim of this series of blog is to predict monthly admissions to Singapore public acute adult hospitals.

Hierarchical forecasting of hospital admissions- Classical forecast

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Intro Reconciliation Dataset Feature Engineering Models Evaluation ARIMA ARIMA vs ETS Performance for each level Cluster level National level Conclusion Error Intro The aim of this series of blog is do predict monthly admissions to Singapore public acute adult hospitals. The dataset starts from Jan 2016 and ends in Feb 2021. EDA for the dataset was explored in past posts ( part 1 ; part 2 ).

Hierarchical forecasting of hospital admissions- EDA part 2

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Introduction 1. Lags 1.1 Auto-correlation (ACF) 1.2 Partial Autocorrelation (PACF) 2. Correlation of features Hospital level Cluster level National level All levels Correlation findings 2.1 PCA of features 2.1 Variation captured 2.2 Time series features contributing to PC1 2.3 Distribution of hosptials in PC plane Conclusion Errors Introduction The aim of this series of blog is to predict monthly admissions to Singapore public acute adult hospitals.