Use of the R package TextSEM

The R package TextSEM can be used for SEM analysis with text data. To install the package, please use

## Install the package for text analysis
remotes::install_github("Stan7s/TextSEM")

## The package can be installed from CRAN directly in the future
# install.packages('TextSEM')

We now illustrate the use of the package through several examples.

Sentiment analysis

In this example, we introduce how to use the function sem.sentiment to extract sentiment variables from text and estimate the SEM model. Specifically, the overall sentiment of comment is extracted and used as a mediator between three endogenous variables (book, attendance, difficulty) and two exogenous variables (grade and rating).  

To use this function, we need to first specify the model: