Collection of tools to calculate portfolio performance metrics. Portfolio performance is a key measure for investors. These metrics are important to analyse how effectively their money has been invested. This package uses portfolio theories to give investor tools to evaluate their portfolio performance. For more information see, Markowitz, H.M. (1952), <doi:10.2307/2975974>. Analysis of Investments & Management of Portfolios [2012, ISBN:978-8131518748].

Analyses sentiment of a sentence in English and assigns score to it. It can classify sentences to the following categories of sentiments:- Positive, Negative, very Positive, very negative, Neutral. For a vector of sentences, it counts the number of sentences in each category of sentiment.In calculating the score, negation and various degrees of adjectives are taken into consideration. It deals only with English sentences.

With this package you can add in-app user authentication to Shiny, allowing you to secure publicly hosted apps and build dynamic user interfaces from user information.

This package implements S4 classes and various tools for financial time series. Basic functions such as scaling and sorting, subsetting, mathematical operations and statistical functions are provided.

This package provides a collection of tools to deal with statistical models. The functionality is experimental and the user interface is likely to change in the future.

The tidy modeling "verse" is a collection of packages for modeling and statistical analysis that share the underlying design philosophy, grammar, and data structures of the tidyverse.

This package provides a Readable type class for reading data types from ByteString and Text. It also includes efficient implementations for common data types.

Uses the new result type defined in OCaml >= 4.03 while staying compatible with older version of OCaml should use the Result module defined in this library.

This regular expression implementation is backwards-compatible with the standard re module, but offers additional functionality like full case-folding for case-insensitive matches in Unicode.

Builder provides a number of builder objects that make it easy to create structured data. Currently the following builder objects are supported: XML Markup and XML Events.

Spinach is a high-level BDD framework that leverages the expressive Gherkin language to help you define executable specifications of your code.

This package provides a Ruby binding to the Ed25519 elliptic curve public-key signature system described in RFC 8032.

This package containse the XML parsing tools shared between a number of providers in the fog gem. fog is a Ruby cloud services library.

Package to retrieve and visualize data from the Comparative Toxicogenomics Database (http://ctdbase.org/). The downloaded data is formated as DataFrames for further downstream analyses.

Fast and efficient reading and writing of mass spectrometry imaging data files. Supports imzML and Analyze 7.5 formats. Provides ontologies for mass spectrometry imaging.

Supplies a set of functions to query air travel data for user- specified years and airports. Datasets include on-time flights, airlines, airports, planes, and weather.

Interface to easily access Cropland Data Layer (CDL) data for any area of interest via the CropScape <https://nassgeodata.gmu.edu/CropScape/> web service.

Modeling under- and over-dispersed count data using extended Poisson process models as in the article Faddy and Smith (2011) <doi:10.18637/jss.v069.i06> .

This package implements methods for querying data from CalPASS using its API. CalPASS Plus. MMAP API V1. <https://mmap.calpassplus.org/docs/index.html>.

This package provides a set of helper functions to launch, analyze, and visualize the output files of CDMetaPOP <https://computationalecologylab.github.io/cdmetapop_web/>.

This package provides a framework that facilitates spatio-temporal analysis of climate dynamics through exploring and measuring different dimensions of climate change in space and time.

Display a random fact about Carl Friedrich Gauss based on the collection curated by Mike Cavers via the <https://web.archive.org/web/*/gaussfacts.com> site.

This package provides a Chernoff face geom for ggplot2'. Maps multivariate data to human-like faces. Inspired by Chernoff (1973) <doi:10.1080/01621459.1973.10482434>.

This package provides tools for working with polygons with holes in ggplot2', with a new geom for drawing a polypath applying the evenodd or winding rules.