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370 bytes added ,  06:47, 4 August 2010
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* many more plots: http://xray.bmc.uu.se/gerard/supmat/rfree2000
 
* many more plots: http://xray.bmc.uu.se/gerard/supmat/rfree2000
 
* harry plotter (java): http://xray.bmc.uu.se/gerard/supmat/rfree2000/plotter.html
 
* harry plotter (java): http://xray.bmc.uu.se/gerard/supmat/rfree2000/plotter.html
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* When the resolution is plotted on a logarithmic scale, the most frequent values (modes) are practically linear functions allowing their easy interpolation / extrapolation as (Urzhumtsev et al, 2009)
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        mode(R) = 0.091*ln(resolution) + 0.134
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        mode(Rfree-R)  = 0.024*ln(resolution) + 0.020
    
References:
 
References:
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* GJ Kleywegt and TA Jones (2002). Homo Crystallographicus - Quo vadis? Structure 10, 465-472. (reprint from http://xray.bmc.uu.se/cgi-bin/gerard/reprint_mailer.pl?pref=65)
 
* GJ Kleywegt and TA Jones (2002). Homo Crystallographicus - Quo vadis? Structure 10, 465-472. (reprint from http://xray.bmc.uu.se/cgi-bin/gerard/reprint_mailer.pl?pref=65)
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* Urzhumtsev, Afonine & Adams (2009) Acta Cryst., D65, 1283-1291.
    
== what kinds of problems exist with these indicators? ==
 
== what kinds of problems exist with these indicators? ==
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