Hi Everyone I am doing a quantile normalization on 44 arrays and some 12480 probes. I then land in some memory problem. Is there a way of of doing the normalization in bits say 2 or 3 sets of arrays but still end with same quantile distribution for all arrays. Thanks. Steve.

Hi have you tried RMAexpress a little software that does not use R and then uses less memory ...? I dont know if it uses less memory system than running justRMA() into R but I m assuming yes. I dont know if this one is updated - if required - as often as RMA was in the past...? Philippe [[alternative HTML version deleted]]