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R Interface to 'Apache Tika'
Extract text or metadata from over a thousand file types, using Apache Tika < https://tika.apache.org/>. Get either plain text or structured XHTML content.
Downloading Supplementary Data from Published Manuscripts
Downloads data supplementary materials from manuscripts, using papers' DOIs as references. Facilitates open, reproducible research workflows: scientists re-analyzing published datasets can work with them as easily as if they were stored on their own computer, and others can track their analysis workflow painlessly. The main function suppdata() returns a (temporary) location on the user's computer where the file is stored, making it simple to use suppdata() with standard functions like read.csv().
Downloads and Organizes Financial Data from Yahoo Finance
Facilitates download of financial data from Yahoo Finance < https://finance.yahoo.com/>, a vast repository of stock price data across multiple financial exchanges. The package offers a local caching system and support for parallel computation.
R Client Package for Circle CI
Tools for interacting with the 'Circle CI' API (< https://circleci.com/docs/api/v2/>). Besides executing common tasks such as querying build logs and restarting builds, this package also helps setting up permissions to deploy from builds.
Print Maps, Draw on Them, Scan Them Back in
Enables preparation of maps to be printed and drawn on. Modified maps can then be scanned back in, and hand-drawn marks converted to spatial objects.
Interface with the United Nations 'Comtrade' API
Interface with and extract data from the United Nations 'Comtrade' API < https://comtradeplus.un.org/>. 'Comtrade' provides country level shipping data for a variety of commodities, these functions allow for easy API query and data returned as a tidy data frame.
Deterministic Categorization of Items Based on External Code Data
Fast categorization of items based on external code data identified by regular expressions. A typical use case considers patient with medically coded data, such as codes from the International Classification of Diseases ('ICD') or the Anatomic Therapeutic Chemical ('ATC') classification system. Functions of the package relies on a triad of objects: (1) case data with unit id:s and possible dates of interest; (2) external code data for corresponding units in (1) and with optional dates of interest and; (3) a classification scheme ('classcodes' object) with regular expressions to identify and categorize relevant codes from (2). It is easy to introduce new classification schemes ('classcodes' objects) or to use default schemes included in the package. Use cases includes patient categorization based on 'comorbidity indices' such as 'Charlson', 'Elixhauser', 'RxRisk V', or the 'comorbidity-polypharmacy' score (CPS), as well as adverse events after hip and knee replacement surgery.
Ergonomic Methods for Assessing Spatial Models
Assessing predictive models of spatial data can be
challenging, both because these models are typically built for
extrapolating outside the original region represented by training data
and due to potential spatially structured errors, with "hot spots" of
higher than expected error clustered geographically due to spatial
structure in the underlying data. Methods are provided for assessing
models fit to spatial data, including approaches for measuring the
spatial structure of model errors, assessing model predictions at
multiple spatial scales, and evaluating where predictions can be made
safely. Methods are particularly useful for models fit using the
'tidymodels' framework. Methods include Moran's I ('Moran' (1950)
Sustainable Transport Planning
Tools for transport planning with an emphasis on spatial
transport data and non-motorized modes. Create geographic "desire
lines" from origin-destination (OD) data (building on the 'od'
package); calculate routes on the transport network locally and via
interfaces to routing services such as < https://cyclestreets.net/>;
calculate route segment attributes such as bearing. The package
implements the 'travel flow aggregration' method described in Morgan
and Lovelace (2020)
Open Trade Statistics API Wrapper and Utility Program
Access 'Open Trade Statistics' API from R to download international trade data.