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Action #5402

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Correction to improve low zspec bias (misclassified low z, faint galaxies)

Added by Marie Treyer over 3 years ago. Updated over 3 years ago.

Status:
New
Priority:
Normal
Assignee:
Marie Treyer
Start date:
09/13/2019
Due date:
% Done:

0%

Estimated time:

Description

WidzPeak=PDFwidth/zPeak, where zPeak is the highest peak of the (smoothed) PDF

This parameter efficiently picks out low-z faint galaxies that are misclassified at high z, due to their poor representativity in the training sample.
They can be kicked out, or their zcnn can be replaced by zPeak (or something better, yet to be defined).


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Fig1.png (118 KB) Fig1.png Marie Treyer, 09/13/2019 03:03 PM
Fig2.png (113 KB) Fig2.png Marie Treyer, 09/13/2019 03:04 PM
Fig6.png (96 KB) Fig6.png Marie Treyer, 09/13/2019 03:04 PM
Fig3.png (118 KB) Fig3.png Marie Treyer, 09/13/2019 03:04 PM
Fig5.png (95.3 KB) Fig5.png Marie Treyer, 09/13/2019 03:04 PM
Fig4.png (121 KB) Fig4.png Marie Treyer, 09/13/2019 03:15 PM
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 #1

Updated by Marie Treyer over 3 years ago

  • Assignee changed from Stephane Arnouts to Marie Treyer
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