IQ152a: poor jump index all

The notebook

In order: what the lab saw, what it asked, what it proposed and why, what the tests said, and what an investigator concluded. Numbers are aggregates on the discovery data unless a step says otherwise.

1. Hypothesised15 Oct, 23:10

   IQ152a: poor jump index all KILLED red

   because CONTROL: completed last time with a Jump Index in the bottom quarter of the field.

   race_type IN ('Chase', 'Hurdle') AND l_same_code = 1 AND last_position IS NOT NULL AND l_jump_index_pct <= 0.25

   made by import

2. Tested15 Oct, 23:10

   broad: A/E 1.01 on 6,445 bets, by period 1.01 · 1.03. info

   Betfair SP return +10.7%. Every period above 1.00 (spread 0.02). Zone: all. On IQ152a: poor jump index all

   By period

   betsA/E0.71.01.3

   Earlier half4,5881.01

   Later half1,8571.03

3. Killed15 Oct, 23:10

   IQ152a: poor jump index all Discovery → KILLEDimport: best [broad] RED A/E 1.014 on 6445 bets