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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 range, except 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 |}} | ||