Dear Imputers, I'd be much grateful if someone can confirm me whether the sd of all the imputed data sets is simply:
SD=sqrt(1/m(v[1]+v[2]+v[3]+...v[m])) where m=no. of imputation, v[*]=variance of * imputed dataset which is same as you calculated the mean? Many thanks in advance. Lymee _______________________________________ Ly-Mee Yu Medical Statistician Centre for Statistics in Medicine Wolfson College Annexe University of Oxford Linton Road OXFORD, OX2 6UD UK Tel: +44 (0)1865 284405 Fax:+44 (0)1865 284423 Emails: [email protected] [email protected] http://www.csm-oxford.org.uk _______________________________________
