avg_delay: remove stddev (counter-intuitive)

1 files changed, 2 insertions, 3 deletions

diff --git a/index.pl b/index.pl
index 020cc55..31b86a0 100644
--- a/index.pl
+++ b/index.pl
@@ -381,10 +381,9 @@ helper 'get_2ddata' => sub {
 
 	given ($metric) {
 		when ('avg_delay') {
-			$header = [qw[x y y_total y_stddev]];
+			$header = [qw[x y y_total]];
 			$query  = qq{
-				select $format as aggregate, avg(delay), count(delay),
-				stddev_samp(delay)
+				select $format as aggregate, avg(delay), count(delay)
 				from departures
 				$join_clause
 				where not is_canceled and $where_clause