Update 'README.md'

README.md

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 # GJP_revisited
 
-Code and data files corresponding to the manuscript 'Compromising improves forecasting'
+Code and data files corresponding to the manuscript 'Compromising improves forecasting'
+
+
+The matlab .m files include the 3 main scripts needed for processing the original God Judgment Project Data and plotting the results of our manuscript (scripts with suffix 1, 2 and 3), and necessary functions for them to run (e.g. to calculate Brier scores).
+
+The data files include the processed data, as well as the original GJP data which can be found here:
+https://doi.org/10.7910/DVN/BPCDH5
+