From cd61d74274fbc07d1db6ab1b5fd2e91bb9206b87 Mon Sep 17 00:00:00 2001
From: Tdxdxoz <tdxdxoz@gmail.com>
Date: Sun, 16 Apr 2023 17:54:39 +0800
Subject: [PATCH] update trend statuses threshold

---
 app/models/trends/statuses.rb | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/app/models/trends/statuses.rb b/app/models/trends/statuses.rb
index 5fff45445..33eecb6f6 100644
--- a/app/models/trends/statuses.rb
+++ b/app/models/trends/statuses.rb
@@ -7,12 +7,12 @@ class Trends::Statuses < Trends::Base
     threshold: 10,
     review_threshold: 10,
     score_halflife: 12.hours.freeze,
-    decay_threshold: 1.8,
+    decay_threshold: 0.007,
     expected: 5.0,
-    # (11 - 5)^2 / 5 * 0.5^2 = 1.8
-    # so a status with 11 favourites can stay 24hours
-    # 17 favourites, 2 days
-    # 29 favourites, 3 days
+    # (11 - 5)^2 / 5 * 0.5^10 = 0.00703125
+    # so a status with 11 favourites can stay 5 days
+    # 17 favourites, 6 days
+    # 29 favourites, 1 week
   }
 
   class Query < Trends::Query