Dear Sir, Thank you for such nice replies. All of them helped me a lot.
Sincerely Deb On Sat, 06 Dec 2008 Manfred S.Weiss wrote : > >Dear Deb, > >R_meas or R_rim is a merging R-factor which is independent of the >redundancy or multiplicity of the data (hence its name), R_pim >stands for precision indicating merging R-factor. R_pim >gives you the precision of the averaged measurement, which is >the one you are actually using for structure solution and refinement. > >SCALA will calculate both R_rim (R_meas) and R_pim, XDS/XSCALE >will calculate R_rim (R_meas) only, and SCALEPACK neither of the >two. However, you may produce a file from SCALEPACK with scaled >but unmerged intensities (option NO MERGE ORIGINAL INDEX) >and then download a program from my site called RMERGE or >RMERGE_4LINUX, which will do the job for you. > >If you have further questions, please see the page >http://www.embl-hamburg.de/~msweiss/projects/msw_qual.html >or ask me. > >Cheers, Manfred > >******************************************************************** >* * >* Dr. Manfred S. Weiss * >* * >* Team Leader * >* * >* EMBL Hamburg Outstation Fon: +49-40-89902-170 * >* c/o DESY, Notkestr. 85 Fax: +49-40-89902-149 * >* D-22603 Hamburg Email: [EMAIL PROTECTED] * >* GERMANY Web: www.embl-hamburg.de/~msweiss/ * >* * >******************************************************************** > > >On Sat, 6 Dec 2008, Debajyoti Dutta wrote: > > > >Dear members, > >I have a little query hare about Rpim and Rmeans. How these are used to mark >data quality, and how can one calculate it. > >Thak you for your reply in advance. > >Sincerely >Deb