No cutoffs in Scala
Phil
On 8 Feb 2011, at 20:13, Kay Diederichs wrote:
> Hi Simon,
>
> I've put my answer into the XDSwiki article "FAQ" <http://strucbio.biologie.uni-konstanz.de/xdswiki/index.php/FAQ#why_do_the_latest_XDS.2FXSCALE_versions_only_give_a_single_table.2C_with_I.2Fsigma.3E.3D-3_cutoff.3F> because I was asked this privately a couple of times, after this was changed for the May 2010 version.
>
> In short, the table describes the data that are written out by XDS/XSCALE, and giving more than one table obscures this fact and tends to confuse users ("which table should I use?" - "the -3 sigma cutoff table" - "then why are there the others?").
>
> Others have already mentioned in this thread that SCALEPACK uses the same cutoff of -3 sigma. I'm not sure about the cutoff in MOSFLM/SCALA.
>
> I do realize now that some people have been using the tables for deciding on a suitable resolution cutoff. With a bit of scripting, this can be overcome - pls ask me by email.
>
> hope that helps,
>
> Kay
>
> Am 08.02.2011 20:58, schrieb Simon Kolstoe:
>> Dear ccp4bb,
>>
>> I am quite a fan of XDS and have just upgraded to the latest version.
>>
>> Normally, to assess the quality of my data, I look at the tables in
>> CORRECT.LP and especially the table "SUBSET OF INTENSITY DATA WITH
>> SIGNAL/NOISE >= 0.0 AS FUNCTION OF RESOLUTION".
>>
>> However in my latest run I only get a single table for all the data
>> i.e. for signal/noise >= -3.0. Is there a command I can put in my
>> XDS.INP that will give me all the other tables or has the CORRECT.LP
>> logfile been altered in the most recent version of XDS?
>>
>> (FYI my xds.inp obtained from the ESRF last week is copied below)
>>
>> Thanks,
>>
>> Simon
>>
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