@@ -142,7 +142,7 @@ |
||
142 | 142 | $concordant_count = 0; |
143 | 143 | $discordant_count = 0; |
144 | 144 | |
145 | - for ($j = $i+1; $j < $df->getIndex(); $j++) { |
|
145 | + for ($j = $i + 1; $j < $df->getIndex(); $j++) { |
|
146 | 146 | |
147 | 147 | if ($df->{$xColumn}->get($i) < $df->{$xColumn}->get($j)) { |
148 | 148 |