This link takes you to the Code Resources page with the Super Easy R Stacker Script For Beginners, with only 3 lines of code -- and now, no need to mess with file paths -- is to help non- or early-R users combine the NEON site-month data that is downloaded from the NEON data portal. 

This R script allows you to combine multiple months & sites of NEON data downloaded as a .zip file from the NEON data portal (data.neonscience.org).  

This script is only for NEON data products that are delivered as zipped folders of .csv files (most OS and IS data products but not AOP data products).