add TODO

boennecd · May 28, 2019 · 0ab9aa7 · 0ab9aa7
1 parent 97b51d9
commit 0ab9aa7
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/TODO b/TODO
@@ -1 +1,4 @@
 handle missing values
+the downdate may be inaccurate if the cross product of design matrix is close 
+to singular. Potentially check this doing estimation and re-do the QR 
+decomposition if this is the case