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-rw-r--r--wqflask/wqflask/correlation_matrix/show_corr_matrix.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/wqflask/wqflask/correlation_matrix/show_corr_matrix.py b/wqflask/wqflask/correlation_matrix/show_corr_matrix.py
index 0ac94139..3beee84f 100644
--- a/wqflask/wqflask/correlation_matrix/show_corr_matrix.py
+++ b/wqflask/wqflask/correlation_matrix/show_corr_matrix.py
@@ -147,7 +147,7 @@ class CorrelationMatrix(object):
 
                     if num_overlap < self.lowest_overlap:
                         self.lowest_overlap = num_overlap
-                    if num_overlap == 0:
+                    if num_overlap < 2:
                         corr_result_row.append([target_trait, 0, num_overlap])
                         pca_corr_result_row.append(0)
                     else: