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A Toolbox for Non-Tabular Data Manipulation
Provides a set of functions for data manipulation with list objects, including mapping, filtering, grouping, sorting, updating, searching, and other useful functions. Most functions are designed to be pipeline friendly so that data processing with lists can be chained.
Linear Models for Panel Data
A set of estimators for models and (robust) covariance matrices, and tests for panel data
econometrics, including within/fixed effects, random effects, between, first-difference,
nested random effects as well as instrumental-variable (IV) and Hausman-Taylor-style models,
panel generalized method of moments (GMM) and general FGLS models,
mean groups (MG), demeaned MG, and common correlated effects (CCEMG) and pooled (CCEP) estimators
with common factors, variable coefficients and limited dependent variables models.
Test functions include model specification, serial correlation, cross-sectional dependence,
panel unit root and panel Granger (non-)causality. Typical references are general econometrics
text books such as Baltagi (2021), Econometric Analysis of Panel Data (
Interactive Data Tables for R
Interactive data tables for R, based on the 'React Table' JavaScript library. Provides an HTML widget that can be used in 'R Markdown' or 'Quarto' documents, 'Shiny' applications, or viewed from an R console.
API Wrapper for Nasdaq Data Link
Functions for interacting directly with the Nasdaq Data Link API to offer data in a number of formats usable in R, downloading a zip with all data from a Nasdaq Data Link database, and the ability to search. This R package uses the Nasdaq Data Link API. For more information go to < https://docs.data.nasdaq.com/>. For more help on the package itself go to < https://data.nasdaq.com/tools/r>.
Interface to Unidata netCDF (Version 4 or Earlier) Format Data Files
Provides a high-level R interface to data files written using Unidata's netCDF library (version 4 or earlier), which are binary data files that are portable across platforms and include metadata information in addition to the data sets. Using this package, netCDF files (either version 4 or "classic" version 3) can be opened and data sets read in easily. It is also easy to create new netCDF dimensions, variables, and files, in either version 3 or 4 format, and manipulate existing netCDF files. This package replaces the former ncdf package, which only worked with netcdf version 3 files. For various reasons the names of the functions have had to be changed from the names in the ncdf package. The old ncdf package is still available at the URL given below, if you need to have backward compatibility. It should be possible to have both the ncdf and ncdf4 packages installed simultaneously without a problem. However, the ncdf package does not provide an interface for netcdf version 4 files.
Automatically Position Non-Overlapping Text Labels with 'ggplot2'
Provides text and label geoms for 'ggplot2' that help to avoid overlapping text labels. Labels repel away from each other and away from the data points.
Read Data Stored by 'Minitab', 'S', 'SAS', 'SPSS', 'Stata', 'Systat', 'Weka', 'dBase', ...
Reading and writing data stored by some versions of 'Epi Info', 'Minitab', 'S', 'SAS', 'SPSS', 'Stata', 'Systat', 'Weka', and for reading and writing some 'dBase' files.
World Map Data from Natural Earth
Facilitates mapping by making natural earth map data from < https://www.naturalearthdata.com/> more easily available to R users.
'Global Data Lab' R API
Retrieve datasets from the 'Global Data Lab' website < https://globaldatalab.org> directly into R data frames. Functions are provided to reference available options (indicators, levels, countries, regions) as well.
Tidy Temporal Data Frames and Tools
Provides a 'tbl_ts' class (the 'tsibble') for temporal data in an data- and model-oriented format. The 'tsibble' provides tools to easily manipulate and analyse temporal data, such as filling in time gaps and aggregating over calendar periods.