sentence: Users with advanced knowledge and skills in data analysis may find it is more feasible to download raw data files ( CEL files ) and QC metrics to local computers or to transfer them to public analysis web servers , such as WebArrayDB [ 57 ] , CARMAweb [ 58 ] , Expression Profiler [ 54 ] , GEPAS [ 55 ] , and EzArray [ 56 ] , which allow user upload CEL files , for more advanced meta-analysis.MIAME 2.0 now requests authors to deposit their raw data files in public microarray depositories .