Preparation | Extracting one resource type | The table_description | The resource argument | The cols argument | Other arguments | Examples | Extract all available attributes | Extract specific elements | Extracting more than one resource type | Saving and reading designs | Multiple entries | Process resources with multiple entries | Select values using predicates in XPath expression | Melt tables with multiple entries | Remove indices | Melt all multiple entries at once | Cast tables with multiple entries | Collapse multiple entries

Introduction | Prerequisites | Downloading resources | Flattening resources | Multiple entries | Process Tables with multiple Entries | Melt tables with multiple entries | Remove indices | Save and load downloaded bundles | Save and load bundles as R objects | Save and load bundles as xml files | Acknowledgments

FHIR search requests | Accessing the current request | Download FHIR resources from a server | Basic request | More than one resource type | Authentication | Search via POST | Deal with HTTP Errors | Save the downloaded bundles | Save bundles as R objects | Save and load bundles as xml files | Dealing with large data sets | Saving memory | 1. Download trimmed resources using _elements | 2. Batch process bundles by saving them to hard drive | 3. Batch process bundles by downloading them piece by piece | Saving download time | Operating system | Breaking pointers | Splitting up requests | Download random samples from a server | Download Capability Statement | A note on HTML in resources | Next steps

Preparation | Crack to wide format | Modify the data | Recreate a single resource | Recreate a bundle of resources | Different attributes | Upload resources to a server | Upload a single resource | Upload a bundle of resources | Linked resources