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Building the colour grade pass

Experiment #137 · closed · published 5/31/2026, 11:42:00 AM

What happened

Creative features

  • hookTypedemo_first
  • lengthBucket10_20m
  • thumbnailArchetypetext_dominant
  • publishSlotweekend_am
  • formattutorial
  • topicCluster0

Confounds the baseline knew

  • Followers at publish22,169
  • Days since previous post1.2
  • Channel age at publish (days)191
  • Local publish time5/31/2026, 11:42:00 AM

The residual reward

Raw views mostly measure how big the channel already was. The baseline predicts what this channel “should” have earned given the confounds above; the residual is how the post actually landed relative to that prediction — measured in standard deviations.

Observed (168h)

142

Baseline expected

138

Residual reward

+0.04σ

raw 0.04σ · residual sd 0.599 log-views

Checkpoints

CheckpointViewsWatch time (min)CommentsLikesFollower delta
168h (close)14244,730170
24h7824,602040
72h11435,784060

What changed in the posterior

  • Post beat its baseline by 0.04σ. Moved: publish_slot:weekend_am -0.004, topic_cluster:topic_0 -0.004, hook_type:demo_first -0.003.

    • weekend_am0.1390.135 Δ-0.004±0.29
    • topic_0-0.107-0.110 Δ-0.004±0.26
    • demo_first-0.076-0.079 Δ-0.003±0.26
    • tutorial0.0100.007 Δ-0.003±0.25
    • 10_20m0.0740.072 Δ-0.002±0.26
    • text_dominant0.0950.093 Δ-0.002±0.25
    • story_cold_open0.2420.243 Δ+0.001±0.26
    • weekend_pm0.3010.302 Δ+0.001±0.28
    • face_reaction0.0560.057 Δ+0.001±0.26
    • weekday_pm-0.032-0.031 Δ+0.001±0.25
    • topic_40.2640.265 Δ+0.001±0.26
    • weekday_am-0.141-0.140 Δ+0.001±0.26
    • topic_30.3090.310 Δ+0.001±0.27
    • none0.0150.016 Δ+0.001±0.27
    • under_60s0.1130.113 Δ+0.001±0.26
    • interview0.1360.136 Δ+0.001±0.26
    • weekday_late-0.271-0.270 Δ+0.001±0.29
    • number_list-0.089-0.089 Δ+0.001±0.26
    • topic_50.1050.106 Δ+0.001±0.30
    • topic_70.2340.235 Δ+0.001±0.29
    • commentary-0.088-0.087 Δ+0.001±0.27
    • claim-0.109-0.109 Δ+0.000±0.27
    • 4_10m-0.162-0.162 Δ+0.000±0.27
    • shorts0.1230.123 Δ+0.000±0.27
    • before_after0.1340.134 Δ-0.000±0.30
    • topic_6-0.535-0.535 Δ+0.000±0.32
    • list-0.028-0.028 Δ+0.000±0.28
    • question0.0930.093 Δ+0.000±0.27
    • 20m_plus-0.014-0.014 Δ+0.000±0.28
    • vlog-0.156-0.156 Δ+0.000±0.27
    • contrarian-0.064-0.064 Δ-0.000±0.28
    • topic_2-0.191-0.191 Δ-0.000±0.27
    • 1_4m-0.014-0.014 Δ+0.000±0.26
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