Hello: When I use SPSS I execute the AGGREGATE DATA comand for the next data:
2112141123212213212213334 3143244113442312121213344 2114141123112214212113344 2112211122212413421213221 3114444123442414343413344 2312231223212222323223322 2143241123212313131213234 2113241113212313222213333 2113141123112214212113344 2114141123412111114413344 2113211122342314222313234 2114141123112414212113344 2114241123412414422313334 2343341333323233333343322 2213241223212322222223333 3113244123342212232312334 2113241123342213232313334 2114141123112214222113334 . . . . The syntax is: AGGREGATE /OUTFILE='C:\Documents and Settings\Corazón\Mis documentos\copia.sav' /BREAK=i1 i2 i3 i4 i5 i6 i7 i8 i9 i10 i11 i12 i13 i14 i15 i16 i17 i18 i19 i20 i21 i22 i23 i24 i25 /N_BREAK=N. The results is: 1112241123312213222443444 1 2111141123112212312313334 1 2111141123112414212113344 2 2111241123112311124312231 1 2111341122112111412113341 1 2111341123312213312413334 1 2112141123212213212213334 1 2112211122212413421213221 1 2112241113312313334313333 1 2112341123312313434313331 1 2113141123112212414113334 1 2113141123112214212113344 2 2113141123112312212113244 1 2113141123112314312113344 1 2113141123112412212113334 1 . . . Where the last column corresponds to count of cases present in the data. I need to obtain similar results in R, but I do not know. Please, Could any one suggest how to make this with R? Thanks in advance, Xavier ======================= Xavier G. Ordoñez Doctoral Student Facultad de Educacion Departamento MIDE Universidad Complutense de Madrid C/ Rector Royo Villanova s/n 28040 - Madrid Spain Tel: +34-913946140 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.