Hi, I'm using package waveslim (V 1.3) for wavelet analysis, and I get the following error: mra1=mra(data,J=5) imodwt(mra1) Error in imodwt(mra1) : argument `y' is not of class "modwt" I tried to overcome this doing class(mra1)="modwt" but then I get imodwt(mra1) Error in switch(name, haar = select.haar(), d4 = select.d4(), mb4 = select.mb4 (), : switch: EXPR must return a length 1 vector I would appreciate any insights on this Thanks in advance, Susana Barbosa Details: platform i686-pc-linux-gnu arch i686 os linux-gnu system i686, linux-gnu status major 1 minor 8.1 year 2003 month 11 day 21 language R