Tips and Tricks: Difference between revisions

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Revision as of 17:42, 23 December 2007

3 bytes added , 23 December 2007

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 == SAD/MAD data reduction ==
-Run CORRECT twice, with STRICT_ABSORPTION_CORRECTION=TRUE and STRICT_ABSORPTION_CORRECTION=FALSE, and compare the results. I find that the anomalous signal in SeMet-SAD/MAD is significantly enhanced in the "Anomal Corr" and the "SigAno" disciplines with STRICT_ABSORPTION_CORRECTION=TRUE (which used to be the default in older versions but ''currently is not the default'').
+Run CORRECT twice, with STRICT_ABSORPTION_CORRECTION=TRUE and STRICT_ABSORPTION_CORRECTION=FALSE, and compare the results. I find that the anomalous signal in SeMet-SAD/MAD is significantly enhanced in the "Anomal Corr" and the "SigAno" disciplines with STRICT_ABSORPTION_CORRECTION=TRUE (which used to be the default in older versions but is ''not the default since Version May 8, 2007'').
 Example: 269 frames, 0.5°/frame, F222; STRICT_ABSORPTION_CORRECTION=TRUE
-SUBSET OF INTENSITY DATA WITH SIGNAL/NOISE >= -3.0 AS FUNCTION OF RESOLUTION
+ SUBSET OF INTENSITY DATA WITH SIGNAL/NOISE >= -3.0 AS FUNCTION OF RESOLUTION
   RESOLUTION     NUMBER OF REFLECTIONS    COMPLETENESS R-FACTOR  R-FACTOR COMPARED I/SIGMA   R-meas  Rmrgd-F  Anomal  SigAno   Nano
     LIMIT     OBSERVED  UNIQUE  POSSIBLE     OF DATA   observed  expected                                      Corr
@@ Line 24: / Line 25: @@
      total      346532  124975    130172       96.0%       9.5%      9.6%   338198    9.77    11.8%    18.8%    21%   0.964   53973
-STRICT_ABSORPTION_CORRECTION=FALSE (default since Version May 8, 2007):
+same data, STRICT_ABSORPTION_CORRECTION=FALSE (default):
   SUBSET OF INTENSITY DATA WITH SIGNAL/NOISE >= -3.0 AS FUNCTION OF RESOLUTION
   RESOLUTION     NUMBER OF REFLECTIONS    COMPLETENESS R-FACTOR  R-FACTOR COMPARED I/SIGMA   R-meas  Rmrgd-F  Anomal  SigAno   Nano