From 6f8d049a087523547f6f2a1cfff7ebec562d5871 Mon Sep 17 00:00:00 2001
From: Bel LaPointe <breel@qualtrics.com>
Date: Fri, 27 Oct 2023 19:05:59 -0600
Subject: [PATCH] auto contributions only if at least 4 (3 deltas) in 6 months

---
 ana/predictor.go | 3 +++
 todo.yaml        | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ana/predictor.go b/ana/predictor.go
index c111f12..001a469 100644
--- a/ana/predictor.go
+++ b/ana/predictor.go
@@ -99,6 +99,9 @@ func getMonthlyAutoContributionRateForCurrency(contributions []ledger.Balance, w
 		}
 	}
 	slices.Sort(values)
+	if len(values) < 3 {
+		return 0
+	}
 
 	start := int(len(values) / 4)
 	end := min(1+max(0, len(values)-len(values)/4), len(values))
diff --git a/todo.yaml b/todo.yaml
index 3b8fb12..3cc12f9 100755
--- a/todo.yaml
+++ b/todo.yaml
@@ -1,5 +1,4 @@
 todo:
-- require at least N contributions in N months before autoContributions!=0
 - ?prediction=contributions=x y z&prediction=contribution=x y z
 - ana/predictor for bpi or de-legacy
 - predictWhatIf=2023-10=AssetAccount:Cash=$=-7000 changes too much when removing 7k
@@ -61,3 +60,5 @@ done:
   ts: Fri Oct 27 18:49:37 MDT 2023
 - todo: ana/legacy_* drop
   ts: Fri Oct 27 18:50:08 MDT 2023
+- todo: require at least N contributions in N months before autoContributions!=0
+  ts: Fri Oct 27 19:05:40 MDT 2023