Thank you to all for your help! I received two equal alternative solutions that bypassed elegantly the problem from peter.l.e.koni...@gmail.com and rafael.bj...@gmail.com
rr.dia2.corr <- rr.dia.2m rr.dia2.corr[which(med.hyper == 1)] <- rr.dia.2m[which(med.hyper == 1)] - 5 From pbu...@pburns.seanet.com I received a hint to understand the problem why my code does not work. p 13 on http://lib.stat.cmu.edu/S/Spoetry/Tutor/R_inferno.pdf I have to digest this yet Peter
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