The goal of medrxivr is to provide programmatic access to the medRxiv preprint repository.

You can install the development version of this package using:

devtools::install_github("mcguinlu/medrxivr")

To get the entire medRxiv dataset to play around with, use the following command:

mx_results <- mx_search("*")

For a simple search strategy:

mx_results <- mx_search("dementia")

To find records that contain one of many keywords:

myquery <- c("dementia","vascular","alzheimer's") # Combined with OR

mx_results <- mx_search(myquery)

To combine different topic domains (currently, you can have up to 5 topics):

topic1  <- c("dementia","vascular","alzheimer's")  # Combined with OR
topic2  <- c("lipids","statins","cholesterol")     # Combined with OR
myquery <- list(topic1, topic2)                    # Combined with AND

mx_results <- mx_search(myquery)

Pass the results of your search above to the mx_download() function to download a copy of the PDF for each record. Note: PDFs are saved using the value of the node column in the dataset, which serves as a unique identifier for each record.

mx_download(mx_results,     # Object returned by mx_search
            "pdf/",         # Directory to save PDFs to 
            create = TRUE)  # Create the directory if it doesn't exist

Please note that the medrxivr project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.