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==CC<sub>1/2</sub> calculation== | ==CC<sub>1/2</sub> calculation== | ||
CC<sub>1/2</sub> can be calculated with the so-called σ-τ method ([https://cms.uni-konstanz.de/index.php?eID=tx_nawsecuredl&u=0&g=0&t=1475179096&hash=5cf64234a23a794a1894c5408384c57208d7b602&file=fileadmin/biologie/ag-strucbio/pdfs/Assman2016_JApplCryst.pdf Assmann, G., Brehm, W. and Diederichs, K. (2016) Identification of rogue datasets in serial crystallography | CC<sub>1/2</sub> can be calculated with the so-called σ-τ method ([https://cms.uni-konstanz.de/index.php?eID=tx_nawsecuredl&u=0&g=0&t=1475179096&hash=5cf64234a23a794a1894c5408384c57208d7b602&file=fileadmin/biologie/ag-strucbio/pdfs/Assman2016_JApplCryst.pdf Assmann, G., Brehm, W. and Diederichs, K. (2016) Identification of rogue datasets in serial crystallography. J. Appl. Cryst. 49, 1021-1028.]) by: | ||
: <math>CC_{1/2}=\frac{\sigma^2_{\tau}}{\sigma^2_{\tau}+\sigma^2_{\epsilon}} =\frac{\sigma^2_{y}- \frac{1}{2}\sigma^2_{\epsilon}}{\sigma^2_{y}+ \frac{1}{2}\sigma^2_{\epsilon}} </math> | : <math>CC_{1/2}=\frac{\sigma^2_{\tau}}{\sigma^2_{\tau}+\sigma^2_{\epsilon}} =\frac{\sigma^2_{y}- \frac{1}{2}\sigma^2_{\epsilon}}{\sigma^2_{y}+ \frac{1}{2}\sigma^2_{\epsilon}} </math> | ||
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== Implementation == | == Implementation == | ||
This way of calculating CC<sub>1/2</sub> is implemented in [[XDSCC12]] and in [http://www.desy.de/~twhite/crystfel/manual-partialator.html partialator] of [http://www.desy.de/~twhite/crystfel/relnotes-0.8.0 CrystFEL]. | This way of calculating CC<sub>1/2</sub> is implemented in [[XDSCC12]] and in [http://www.desy.de/~twhite/crystfel/manual-partialator.html partialator] of [http://www.desy.de/~twhite/crystfel/relnotes-0.8.0 CrystFEL]. | ||
== See also == | |||
[https://www.youtube.com/watch?v=LirxJIcQ6T0 CC* - Linking crystallographic model and data quality.] Video recorded at SBGrid/NE-CAT workshop 2014; the PDF is [https://strucbio.biologie.uni-konstanz.de/pub/CC%20-%20Linking%20crystallographic%20model%20and%20data%20quality.pdf here]. The sound is poor. |