Materials for Doing Meta-Analysis with R program: Using meta Package in RStudio 1. r.script.demo.R (R sript file for running in R Program or Rsutido) 2. data.xlxs (Excel file for being imported into Rstudio for analysis) 3. MAbyMetaClip1.mp4 (mp4 file for introduction to Rstudio) 4. MAbyMetaClip2.mp4 (mp4 file for using metacont and forest functions in meta package) 5. MAbyMetaClip3.mp4 (mp4 file for using other functions in meta package)