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preText

★ 68 Open GitHub ↗

An R package to assess the effects of text preprocessing decisions.

// repository documentation

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# preText [![Travis-CI Build Status](https://travis-ci.org/matthewjdenny/preText.svg?branch=master)](https://travis-ci.org/matthewjdenny/preText)  [![CRAN_Status_Badge](http://www.r-pkg.org/badges/version/preText)](https://CRAN.R-project.org/package=preText) ![](http://cranlogs.r-pkg.org/badges/preText) ![](http://cranlogs.r-pkg.org/badges/grand-total/preText)
An R package to assess the consequences of text preprocessing decisions.

**[[getting started with preText vignette]](http://www.mjdenny.com/getting_started_with_preText.html)**.

The paper detailing the procedure can be found at the link below:

* Matthew J. Denny, and Arthur Spirling (2018). "Text Preprocessing For Unsupervised Learning: Why It Matters, When It Misleads, And What To Do About It". [[ssrn.com/abstract=2849145]](https://ssrn.com/abstract=2849145) or [[https://doi.org/10.1017/pan.2017.44]](https://doi.org/10.1017/pan.2017.44)

## Installation

The easiest way to do this is to install the package from CRAN via the standard `install.packages` command:

install.packages("preText")

If you want to get the latest version from GitHub, start by checking out the 
**Requirements for using C++ code with R** section in the following 
tutorial: [Using C++ and R code Together with Rcpp](http://www.mjdenny.com/Rcpp_Intro.html). 
You will likely need to install either `Xcode` or `Rtools` depending on whether 
you are using a Mac or Windows machine before you can install the preText package 
via GitHub, since it makes use of C++ code.

install.packages("devtools")
   
Now we can install from Github using the following line:

devtools::install_github("matthewjdenny/preText")

Once the `GERGM` package is installed, you may access its functionality as you 
would any other package by calling:

library(preText)

If all went well, you should be able to replicate the steps in the `vignette("getting_started")`.

## Basic Usage

The basic functionality of this package is detailed in a vignette, which is  **[[available here]](http://www.mjdenny.com/getting_started_with_preText.html)**. Beyond this basic functionality the package includes a number of additional utility and analysis functions for exploring and comparing multiple document--term matrices.

## Bug Reporting

**PLEASE REPORT ANY BUGS OR ERRORS TO <mdenny@psu.edu>**.

preText

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