Update 06_twfe.md

edwigetia · Sep 30, 2021 · 443130b · 443130b
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diff --git a/docs/theory and code/06_twfe.md b/docs/theory and code/06_twfe.md
@@ -83,7 +83,7 @@ Let us generate a simple 2x2 example in Stata. First step define the panel struc
 clear
 local units = 2
 local start = 1
-local end 	= 2
+local end   = 2
 
 local time = `end' - `start' + 1
 local obsv = `units' * `time'