Update README.md

Author: RonaldVisser

R/README.md

@@ -4,14 +4,14 @@ dbplot_histogram.R: adapted from dbplot-package
 
 GC_continent_ITRDB.R: code for comparing tree-ring series per continent (local storage)
 
-glk.R: updated GLK calculation (function)
+glk.R: updated GLK calculation, including probability of exceedence (function)
 
 plot_db_SGC.R: script to get all values from database (PostgreSQL) and read them into workspace
 
 read_multiple_rwl_names.R: read multiple RWL files and rename ID's
 
 relation_treeringwidth_SSGC.R: script to compare tree ring width to years with SSGC
 
-sgc.R: calculation of the SGC (function)
+sgc.R: calculation of the SGC, including probability of exceedence (function)
 
 SGC_par_list_postgres.R: read tree ring data and write statistics to database (PostgreSQL)