I'm not familiar with this output (XDS?) but I would guess Rw-lin
(not Rw-pim or rim, although those are theoretically more useful)
is the R-factor to use for Rsym (or Rmerge if you are merging datasets
previously reduced from multiple crystals).
I think "observed" means, out of all the spots that you "measured", those
that pass your criterion for being observed and were actually used in
data processing, so I think the numbers here apply.

"R-free error" depends on the number of reflections set aside for the "free"
set, so you can't get it at this stage. After choosing a free set and refining your structure, you can use CNS xtal_pdbsubmission.inp or sum such to give this and other statistics.

so: 0.1797, NULL, and "don't know".

james09 pruza wrote:
Dear All CCP4bbers,

Please help me in finding *R-sym I *(observed), *R-merge I*(obseved),
*R-Free Error i*n the data provided below. If I am not wrong, Can anyone
suggest me the difference between R-sym and R-merge?

Thanks in advance for the help.

James*
*

R-values of internal consistency :
  ========    --------------------
  (Anomalous scaling counts I+ and I- as separate hkl.)

R-merge ( sum |Ij-<I>| / sum |<I>| ) = 23.4 % ( 21.57 % for Fsq > 0)
           where <I>=sum(Ij)/N, j=1...N,
           calculated from 188629 observations of 60655 /+//-/ reflexions

  - dito within user-defined resolution: 23.4 %
           calculated from 188182 observations of 60508 /+//-/ reflexions


  Sigma-weighted R-merge :
       ( sum wj*|Ij-<I>| / sum |<I>| ) = 19.1 %
           where <I>=sum(wj*Ij), j=1...N,
                with sum(wj)=1,
           calculated from 133636 observations of 60655 /+//-/ reflexions

  - dito within user-defined resolution: 19.1 %
           calculated from 133323 observations of 60508 /+//-/ reflexions


  Multiplicity of accepted measurements for unique reflexions, and
completeness C
  in equal-volume shells (on average  4161 possible unique reflexions each):
     Shell-       1*    2*    3*    4*  5-6*  7-8* 9-12* 13-16* >16*
total  C[%]
   limits [A]  ----- ----- ----- ----- ----- ----- ----- ----- -----
-----  ----
   inf. - 30.0  excluded... (but see right
below)                             0.0
   30.0 - 6.46   221   878   805  1620   597     0     0     0     0
4121  95.1
   6.46 - 5.13    73   659   726  1850   840     0     0     0     0
4148  98.9
   5.13 - 4.48    80   687   841  1823   712     0     0     0     0
4143  99.1
   4.48 - 4.07    72   673   802  1778   772     0     0     0     0
4097  99.3
   4.07 - 3.78    94   595   735  1862   831     0     0     0     0
4117  99.4
   3.78 - 3.56   108   563   738  1883   856     0     0     0     0
4148  99.7
   3.56 - 3.38    81   519   689  1968   886     0     0     0     0
4143  99.8
   3.38 - 3.23    49   465   731  1976   877     0     0     0     0
4098 100.0
   3.23 - 3.11    58   485   772  1950   875     0     0     0     0
4140 100.0
   3.11 - 3.00    39   457   768  1944   832     0     0     0     0
4040  98.8
   - - - - - - ----- ----- ----- ----- ----- ----- ----- ----- -----
-----  ----
* 30.0 - 3.00   875  5981  7607 18654  8078     0     0     0     0
41195  99.0
   ----------- ----- ----- ----- ----- ----- ----- ----- ----- -----
-----  ----
  Below specified lower-resolution limit :
   inf. - 30.0     0     1     0     0     0     0     0     0     0      1
  Beyond specified high-resolution limit :
   3.00 - 2.99     0    37    25    51     9     0     0     0     0    122

  Same multiplicities as relative percentages [%] and <average multiplicity>
                    (total measured unique reflexions in each shell = 100.%)
   30.0 - 6.46    5.4  21.3  19.5  39.3  14.5    .     .     .     . <3.38>
   6.46 - 5.13    1.8  15.9  17.5  44.6  20.3    .     .     .     . <3.67>
   5.13 - 4.48    1.9  16.6  20.3  44.0  17.2    .     .     .     . <3.58>
   4.48 - 4.07    1.8  16.4  19.6  43.4  18.8    .     .     .     . <3.61>
   4.07 - 3.78    2.3  14.5  17.9  45.2  20.2    .     .     .     . <3.67>
   3.78 - 3.56    2.6  13.6  17.8  45.4  20.6    .     .     .     . <3.68>
   3.56 - 3.38    2.0  12.5  16.6  47.5  21.4    .     .     .     . <3.74>
   3.38 - 3.23    1.2  11.3  17.8  48.2  21.4    .     .     .     . <3.78>
   3.23 - 3.11    1.4  11.7  18.6  47.1  21.1    .     .     .     . <3.76>
   3.11 - 3.00    1.0  11.3  19.0  48.1  20.6    .     .     .     . <3.77>
   - - - - - -  ----- ----- ----- ----- ----- ----- ----- ----- ----- ->>>
* 30.0 - 3.00    2.1  14.5  18.5  45.3  19.6   0.0   0.0   0.0   0.0
100. <3.66>
   -----------  ----- ----- ----- ----- ----- ----- ----- ----- -----
==== ------
  Below specified lower-resolution limit :
   inf. - 30.0     .  100.0    .     .     .     .     .     .     . <2.00>
  Beyond specified high-resolution limit :
   3.00 - 2.99     .   30.3  20.5  41.8   7.4    .     .     .     . <3.27>


  Multiplicity of centric measurements
     Shell-       1*    2*    3*    4*  5-6*  7-8* 9-12* >13*  total /
poss. C[%]
   limits [A]  ----- ----- ----- ----- ----- ----- ----- -----  -----
-----  ----
   30.0 - 6.46    93   354    32     2     0     0     0     0    481
566  85.0
   6.46 - 5.13    37   251    28     0     0     0     0     0    316
334  94.6
   5.13 - 4.48    39   209    16     0     0     0     0     0    264
281  94.0
   4.48 - 4.07    24   193    17     0     0     0     0     0    234
249  94.0
   4.07 - 3.78    25   169    21     0     0     0     0     0    215
223  96.4
   3.78 - 3.56    34   161    18     0     0     0     0     0    213
220  96.8
   3.56 - 3.38    25   157    17     0     0     0     0     0    199
204  97.5
   3.38 - 3.23    26   145    21     0     0     0     0     0    192
192 100.0
   3.23 - 3.11    26   138    23     0     0     0     0     0    187
187 100.0
   3.11 - 3.00    27   129    19     0     0     0     0     0    175
175 100.0
   - - - - - - ----- ----- ----- ----- ----- ----- ----- -----  -----
-----  ----
* 30.0 - 3.00   356  1906   212     2     0     0     0     0   2476
2631  94.1


  Multiplicity of acentric measurements for Bijvoet /-/ and /+/ separately :
     Shell-       1*    2*    3*    4*  5-6*  7-8* 9-12* >13*  total /
poss. C[%]
   limits [A]  ----- ----- ----- ----- ----- ----- ----- -----  -----
-----  ----
   30.0 - 6.46  1530  4572   790     0     0     0     0     0   6892
7534  91.5
   6.46 - 5.13  1503  4925  1077     0     0     0     0     0   7505
7720  97.2
   5.13 - 4.48  1786  4813   974     0     0     0     0     0   7573
7796  97.1
   4.48 - 4.07  1811  4668  1066     0     0     0     0     0   7545
7754  97.3
   4.07 - 3.78  1686  4685  1209     0     0     0     0     0   7580
7834  96.8
   3.78 - 3.56  1756  4595  1308     0     0     0     0     0   7659
7882  97.2
   3.56 - 3.38  1785  4558  1407     0     0     0     0     0   7750
7896  98.2
   3.38 - 3.23  1784  4527  1425     0     0     0     0     0   7736
7812  99.0
   3.23 - 3.11  1833  4549  1415     0     0     0     0     0   7797
7908  98.6
   3.11 - 3.00  1819  4405  1420     0     0     0     0     0   7644
7826  97.7
   - - - - - - ----- ----- ----- ----- ----- ----- ----- -----  -----
-----  ----
* 30.0 - 3.00 17293 46297 12091     0     0     0     0     0  75681
77962  97.1


  Anomalous R-value :
         ( sum |<I+>-<I->| / sum |<I+>+<I->| ) = 17.5 %
          where <I>=sum(Ij)/N,
          calculated from  37074 anomalous pairs (with 143188 measurements:
                                 multiplicity  2.1 <->  78993
measurements for I+
                                 multiplicity  1.7 <->  64195
measurements for I-
  Weighted anomalous R-value :
         ( sum |<I+>-<I->| / sum |<I+>+<I->| ) = 18.4 %
          where <I>=sum(wj*Ij) with sum(wj)=1,
          calculated from  37074 anomalous pairs


  Table of s-dependent anomalous, and centric, R-factors in equal-volume
shells :
     R_ano. = sum { |<I+> - <I->| } / sum { |<I+> + <I->| }
     R_cen. = linear R_merge for centric reflexions only.
                                                                     centric
   Resolution         s      Bijvoet-pairs <I>    R_ano.
measurements  R_cen.
  -----[A]----  -------------             -------  --[%]--   |
-------   --[%]--
   30.0 - 6.46  0.000 - 0.077     3252     10168.   12.79    |
806     29.64
   6.46 - 5.13  0.077 - 0.097     3673      2734.   15.19    |
564     20.88
   5.13 - 4.48  0.097 - 0.112     3694      4719.   16.01    |
440     24.88
   4.48 - 4.07  0.112 - 0.123     3682      4326.   17.18    |
418     23.54
   4.07 - 3.78  0.123 - 0.132     3678      2602.   19.76    |
375     27.71
   3.78 - 3.56  0.132 - 0.141     3724      1490.   22.87    |
337     29.09
   3.56 - 3.38  0.141 - 0.148     3806      1032.   26.32    |
317     34.76
   3.38 - 3.23  0.148 - 0.155     3830       728.   31.24    |
317     35.64
   3.23 - 3.11  0.155 - 0.161     3844       470.   38.98    |
292     47.76
   3.11 - 3.00  0.161 - 0.167     3779       358.   48.06    |
250     59.71
   - - - - - -                 --------   -------  -------   |
-------  --[%]--
* 30.0 - 3.00  total :          36962      2745.   17.45%   |
4116     28.09%
                               --------   -------  -------       -------
  Below specified lower-resolution limit :
   inf. - 30.0  0.000 - 0.017        1       110.   19.20    |        0
  Beyond specified high-resolution limit :
   3.00 - 2.99  0.167 - 0.167      111       340.   44.46    |        0

  Summary of neg. <I> :   179 centric reflexions
                         2886 /I-/
                         2594 /I+/
              including     0 pairs with *both* mates <=0


  Tables of s-dependent R-factors in equal-volume shells :
         (Single measurements or negative <I> omitted from all sums.)
         R_linear = sum { |I - <I>| } / sum {I}
         R_square = SQRT( sum{|I - <I>|**2} / sum{I**2} )

   Resolution         s      measurements  I<0 <I> <I/s>    R_squ.  R_lin.
  -----[A]----  -------------  --------  -----   -------  -----
--[%]-- --[%]--
   30.0 - 6.46  0.000 - 0.077    12293    119     10081.    5.2
27.28   18.23
   6.46 - 5.13  0.077 - 0.097    13386    394      2490.    2.7
19.45   18.50
   5.13 - 4.48  0.097 - 0.112    12787    359      4220.    3.0
21.40   18.89
   4.48 - 4.07  0.112 - 0.123    12670    452      3638.    2.5
21.79   21.21
   4.07 - 3.78  0.123 - 0.132    12819    799      2102.    1.6
23.85   26.60
   3.78 - 3.56  0.132 - 0.141    12820    940      1335.    1.1 26.50
32.14
   3.56 - 3.38  0.141 - 0.148    12270   1186       958.    0.9
30.64   37.29
   3.38 - 3.23  0.148 - 0.155    12071   1438       661.    0.6
36.79   44.73
   3.23 - 3.11  0.155 - 0.161    11613   1619       463.    0.5
43.91   53.68
   3.11 - 3.00  0.161 - 0.167    10870   1708       376.    0.4
51.01   61.37
   - - - - - -                  ------ ------    -------  -----
------- -------
* 30.0 - 3.00  total :         123599   9014      2674.    1.9
26.11%  22.61%
                                ------
------                             =======
          4515 non-pos. <I> with  9771 measurements omitted from this table.

   Table of <<I>/sigma(<I>)> for mean values on output file:
            ================
   Resolution <I>            /0/            /+/            /-/      sig<0
  -----[A]----  -------------  -------------  -------------
-------------  -----
   30.0 - 6.46    4121    7.7     481    4.5    3551    5.8    3341
5.7      0
   6.46 - 5.13    4148    4.6     316    2.5    3797    3.5    3708
3.2      0
   5.13 - 4.48    4143    5.0     264    2.6    3838    3.8    3735
3.5      0
   4.48 - 4.07    4097    4.3     234    2.1    3835    3.2    3710
3.0      0
   4.07 - 3.78    4117    3.0     215    1.7    3863    2.2    3717
2.1      0
   3.78 - 3.56    4148    2.2     213    1.6    3915    1.6    3744
1.5      0
   3.56 - 3.38    4143    1.6     199    1.3    3938    1.2    3812
1.1      0
   3.38 - 3.23    4098    1.2     192    0.9    3896    0.8    3840
0.8      0
   3.23 - 3.11    4140    0.8     187    0.5    3946    0.6    3851
0.6      0
   3.11 - 3.00    4040    0.6     175    0.4    3853    0.4    3791
0.4      0
   - - - - - -  -------------  -------------  -------------
-------------  -----
* 30.0 - 3.00   41195    3.1    2476    2.2   38432    2.3   37249
2.1      0
                -------------  -------------  -------------
-------------  -----
  Below specified lower-resolution limit :
   inf. - 30.0       1   -1.0       0    ...       1   -0.2       1
-1.0      0
  Beyond specified high-resolution limit :
   3.00 - 2.99     122    0.6      10    0.6     112    0.4     111
0.4      0

   Multiplicity-independent and sigma-weighted R-factors :
         PCV = "pooled coefficient of variation"
         R_rim = "redundancy-independent merging R-factor" = R_meas.
         R_pim = "precision-indicating merging R-factor"
         Rw_xxx = sigma-weighted R-factors, where :
<Iw> = sum{ w * I }  with  sum{ w } = 1
   .. defined as:
         PCV = sum{ SQRT[ sum{ |Ij - <Ihkl>|**2 }/(n-1) ] } / sum{ <I> }
                h          j                                   h
         R_rim = sum{ SQRT[n/(n-1)] * sum{ |I - <Ihkl>| } } / sum{ I }
         R_pim = sum{ SQRT[1/(n-1)] * sum{ |I - <Ihkl>| } } / sum{ I } )
         Rw_rim = sum{ SQRT[n/(n-1)] * sum{ w * |I - <Iw>| } } / sum{<Iw>}
         Rw_pim = sum{ SQRT[1/(n-1)] * sum{ w * |I - <Iw>| } } / sum{<Iw>}
         Rw_squ = SQRT[ sum{ w * |I - <Iw>|**2 } / sum{<Iw>**2} ]
         Rw_lin =          sum{ w * |I - <Iw>| } / sum{<Iw>}

   Resolution   /+//-/     PCV    R_rim   R_pim   Rw_rim  Rw_pim
Rw_squ. Rw_lin.
  -----[A]---- --------  --[%]-- --[%]-- --[%]--  --[%]-- --[%]--
--[%]-- --[%]--
   30.0 - 6.46    5734    25.53   24.98   16.99    13.73    9.41
11.97    9.96
   6.46 - 5.13    6143    25.77   25.31   17.18    22.87   15.69
15.44   16.57
   5.13 - 4.48    5903    26.43   25.94   17.69    21.78   14.98
15.39   15.75
   4.48 - 4.07    5800    29.69   29.07   19.78    25.73   17.66
18.16   18.65
   4.07 - 3.78    5810    36.85   36.38   24.69    32.42   22.21
20.15   23.54
   3.78 - 3.56    5768    44.37   43.66   29.37    40.40   27.53
25.67   29.44
   3.56 - 3.38    5475    51.15   50.32   33.56    46.70   31.61
30.79   34.22
   3.38 - 3.23    5375    61.60   60.34   40.23    56.21   38.02
37.98   41.20
   3.23 - 3.11    5175    73.50   72.31   48.10    66.85   45.19
46.53   49.03
   3.11 - 3.00    4833    83.97   82.72   55.07    77.06   52.10
57.35   56.51
              ---------  ------- ------- -------  ------- -------
------- -------
*   total :     56016    31.39%  30.88%  20.91%   24.72%  16.90%
13.95%  17.97%

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