From b14e981217bff540c2964f446ec7dc6d94249de3 Mon Sep 17 00:00:00 2001 From: Shreyas Gadgin Matha Date: Thu, 20 Dec 2018 15:04:46 -0500 Subject: [PATCH] Added comment explaining normalization of PCI --- ecomplexity.ado | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ecomplexity.ado b/ecomplexity.ado index bcf08f6..5fb191a 100755 --- a/ecomplexity.ado +++ b/ecomplexity.ado @@ -307,6 +307,8 @@ foreach y of local year_levels{ *------------------------------------------------------------------------------ // Normalization: mean of zero and st dev of 1 + /* Note: PCI values are normalized using ECI mean and st dev to preserve property + that ECI = (mean of PCI's of products for which MCP=1) */ *------------------------------------------------------------------------------ // ECI sum eci