Update README.md

README.md

@@ -2,4 +2,8 @@
 
 This module is a tool for calculating correlations such as Person, Partial, Tetrachoric, Polychoric, Spearman, Intraclass correlation, Bootstrap agreement, Multilevel correlation, Concordance correlation, Analytic Hierarchy Process, Correlation structure, and allows users to produce Gaussian Graphical Model and Partial plot.
 
-https://www.youtube.com/watch?v=5JPrA1OVFOM
+seolmatrix module can be installed and used in R as a standard R packages.
+# Installation
+At the moment, seolmatrix is not in CRAN yet, so you need to install it via devtools
+
+devtools::install_github("hyunsooseol/seolmatrix")