Sentiment Algorithm (R)

An interactive sentiment analysis package in R that lets users input text, automatically corrects spelling, scores sentiment using the AFINN lexicon, and returns a tidy dataframe with labeled sentiment results. Great for quick, conversational text sentiment scoring in an R environment.

✨ Key Features

• 📥 User input via console — just type and go
• 🧹 Spelling correction using the spelling package
• 💬 Sentiment scoring via AFINN lexicon with tidytext
• 📈 Iterative score tracking for progressive sentiment insights
• 📊 Clean output with sentiment labels and scores in a dataframe

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🗂️ Package Structure

The package is composed of three main scripts:

Script	Purpose
Sentiment.R	Core function sentiment() to collect input and generate output
scores.R	Functions for calculating sentiment scores and iterative difference
textFix.R	Functions to clean and fix misspelled or noisy user input

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📦 Installation

Clone the repo and use devtools to install:

# if needed:
install.packages("devtools")

# install from local path
devtools::install_local("path/to/your/sentimentR-package")

Dependencies

This package uses the following R libraries:

• dplyr
• tidyverse
• tidytext
• textdata
• caret
• spelling

Make sure these packages are installed before running the code.

install.packages(c("dplyr", "tidyverse", "tidytext", "textdata", "caret", "spelling"))