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lunchtime_byte_2023 [2023/01/04 23:29]
maly old revision restored (2022/12/22 09:04)
lunchtime_byte_2023 [2023/01/05 12:39] (current)
maly cc* English
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 {{ :​poli_ccp4sw2023_rfree.png?​nolink |}} {{ :​poli_ccp4sw2023_rfree.png?​nolink |}}
  
-CC* a model-independent measure of noise is in the diffraction data. CC* is higher than CCwork in whole resolution range (except the shell 2.0-1.9 Å where CC* is undefined due to negative CC1/​2. ​Thus, the overfitting was not indicated. ​To access overfitting,​ it is not needed to test set, so the comparison of CC* with CCwork is much better ​then with CCfree as CCwork is calculated on more data.+CC* is a model-independent measure of noise is in the diffraction data. For this data set, CC* is higher than CCwork in the whole resolution rangeexcept the shell 2.0-1.9 Å where CC* is undefined due to negative CC1/​2. ​That means overfitting was not indicated ​but the shell 2.0-1.9 Å should be discarded because these data are very noisy. Note that to access overfitting,​ it is not needed to use test set, so the comparison of CC* with CCwork is much better ​than with CCfree as CCwork is calculated on more data.
 {{ :​poli_ccp4sw2023_ccwork.png?​nolink |}} {{ :​poli_ccp4sw2023_ccwork.png?​nolink |}}