Natural Language Processing for Meta Analysis
Delete stop words
Delete list of words
Natural Language Processing for Meta Analysis
Create word cloud from MetaNLP-object
Read and adapt test data
Replace special characters in column names
Select features via elasticnet regularization
Summary of MetaNLP-objects
Save the document-term matrix
Given a CSV file with titles and abstracts, the package creates a document-term matrix that is lemmatized and stemmed and can directly be used to train machine learning methods for automatic title-abstract screening in the preparation of a meta analysis.
Useful links