1 Introduction |
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1.1.1 Cardiovascular Disease Deaths |
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1.2.1 Autocovariance and Autocorrelation |
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1.3.1 Cosine and Sine Functions |
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1.3.4 Cumulative Periodogram |
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1.4.4 Influential Observations |
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1.4.5 Generalized Linear Model |
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1.4.7 Akaike Information Criterion |
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1.4.8 Non-linear Regression Using Splines |
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1.6.1 Markov Chain Monte Carlo Estimation |
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1.6.2 Deviance Information Criterion |
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2 Introduction to Seasonality |
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2.1.1 Seasonality and Health |
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2.2 Descriptive Seasonal Statistics and Plots |
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2.2.1 Adjusting Monthly Counts |
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2.2.4 Smooth Plot of Season |
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2.3 Modelling Monthly Data |
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2.3.1 Month as a Fixed Effect |
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2.3.2 Month as a Random Effect |
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2.3.3 Month as a Correlated Random Effect |
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3 Cosinor |
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3.1.1 Cardiovascular Disease Deaths |
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3.2.1 Chi-Squared Test of Seasonality |
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3.2.2 Sample Size Using the Cosinor Test |
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4 Decomposing Time Series |
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4.3 Non-stationary Cosinor |
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4.3.1 Parameter Estimation |
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4.4 Modelling the Amplitude and Phase |
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4.4.1 Parameter Estimation |
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4.5 Month as a Random Effect |
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4.6 Comparing the Decomposition Methods |
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4.7.1 Comparing Trends with Trends and Seasons with Seasons |
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4.7.2 ExposureRisk Relationships |
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5 Controlling for Season |
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5.1.1 Matching Using Day of the Week |
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5.1.2 CaseCrossover Examples |
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5.1.3 Changing Stratum Length |
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5.1.4 Matching Using a Continuous Confounder |
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5.1.5 Non-linear Associations |
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5.2 Generalized Additive Model |
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5.2.1 Definition of a GAM |
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5.2.2 Non-linear Confounders |
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5.3 A Spiked Seasonal Pattern |
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5.3.1 Modelling a Spiked Seasonal Pattern |
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5.4 Adjusting for Seasonal Independent Variables |
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5.4.1 Effect on Estimates of Long-term Risk |
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5.5 Biases Caused by Ignoring Season |
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6 Clustered Seasonal Data |
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6.1 Seasonal Heterogeneity |
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References |
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Index |
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