Re: [ccp4bb] I/sigma continued

2009-03-31 Thread Eleanor Dodson
I agree absolutely with James - be as succinct as you like in a table but include the verbose definition for each entry in the log file - or at the very least in the manual. It should be easy to search for with the table tag. People will not go and read a reference.. Eleanor James Holton wrot

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread Kay Diederichs
James Holton schrieb: Frank von Delft wrote: So, what statistic do we want to look at? That depends on what you are trying to do with the data. There is no way for Phil to know this, so it is good that he prints out lots of different statistics. That said, when talking about the data quali

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread Miller, Mitchell D.
ion between PDB and mmCIF formats but that is for another day...) -Original Message- From: CCP4 bulletin board [mailto:ccp...@jiscmail.ac.uk] On Behalf Of Anastassis Perrakis Sent: Monday, March 30, 2009 11:40 AM To: CCP4BB@JISCMAIL.AC.UK Subject: Re: [ccp4bb] I/sigma continued On 30 Mar

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread Anastassis Perrakis
On 30 Mar 2009, at 20:30, James Holton wrote: Frank von Delft wrote: So, what statistic do we want to look at? That depends on what you are trying to do with the data. There is no way for Phil to know this, so it is good that he prints out lots of different statistics. That said, when talki

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread James Holton
Frank von Delft wrote: So, what statistic do we want to look at? That depends on what you are trying to do with the data. There is no way for Phil to know this, so it is good that he prints out lots of different statistics. That said, when talking about the data quality requirements for st

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread Frank von Delft
So, what statistic do we want to look at? That depends on what you are trying to do with the data. There is no way for Phil to know this, so it is good that he prints out lots of different statistics. That said, when talking about the data quality requirements for structure solution by MAD/

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread James Holton
I think the best way to deal with issues like this can be found in Strunk & White "The Elements of Style" (1918). Among other things, these authors put forward a rather simple yet often overlooked rule to writing in general, which I think applies equally well to computer programs: "Be clear."

Re: [ccp4bb] I/sigma continued

2009-03-30 Thread Jim Pflugrath
That leaves the question of how to label these statistics in a consistent, clear and concise way: suggestions? Phil Evans Here is a suggestion. :) FWIW, dtscaleaverage labels the mean I/sigmaI of the individual input reflections as "I/sig unavg". That is, before any averaging is performed

[ccp4bb] I/sigma continued

2009-03-30 Thread Phil Evans
“I/sigma” statistics seem to be contentious & confusing (see recent discussions on CCP4BB), particularly in what the various measures should be called (and how they should be labelled in a table, where there is only room for a very short name). I thought it worth commenting on this issue a