Consider the following.... > fileLines V1 V2 V3 V4 V5 V6 V7 V8 1 AB 20091224 156.0 156.0 154.00 154.00 55 1198 2 AB.C 20091224 156.0 156.0 156.00 156.00 0 0 3 ABF10 20091224 156.0 156.0 156.00 156.00 55 444 4 ABH10 20091224 156.0 156.0 156.00 156.00 0 749 5 ABH11 20091224 157.2 157.2 157.20 157.20 0 0 6 ABH12 20091224 157.2 157.2 157.20 157.20 0 0 7 ABK10 20091224 157.2 157.2 157.20 157.20 0 5 8 ABK11 20091224 157.2 157.2 157.20 157.20 0 0 9 ABN10 20091224 157.2 157.2 157.20 157.20 0 0 10 ABN11 20091224 157.2 157.2 157.20 157.20 0 0 11 ABV10 20091224 157.2 157.2 157.20 157.20 0 0 12 ABV11 20091224 157.2 157.2 157.20 157.20 0 0 13 ABZ10 20091224 157.2 157.2 157.20 157.20 0 0 14 ABZ11 20091224 157.2 157.2 157.20 157.20 0 0 15 RS 20091224 395.0 395.0 381.42 381.42 12918 100618 16 RS.C 20091224 395.0 399.1 395.00 398.70 1680 0 17 RSF10 20091224 395.0 399.1 395.00 398.70 2277 3081 18 RSF11 20091224 420.3 420.3 420.30 420.30 50 203 19 RSF12 20091224 415.5 415.5 415.50 415.50 0 0 20 RSH10 20091224 401.1 403.9 399.50 403.60 9925 79548 21 RSH11 20091224 419.2 419.2 419.20 419.20 0 193 22 RSK10 20091224 406.9 409.9 406.40 409.90 264 5769 23 RSK11 20091224 415.5 415.5 415.50 415.50 0 0 24 RSN10 20091224 414.7 415.2 410.00 415.20 189 6391 25 RSN11 20091224 415.5 415.5 415.50 415.50 0 2 26 RSX10 20091224 414.9 417.9 413.00 417.30 213 5431 27 RSX11 20091224 415.5 415.5 415.50 415.50 0 0 28 WF 20091224 363.0 363.0 363.00 363.00 0 0 29 WW 20091224 152.0 152.0 152.00 152.00 0 0
> attributes (fileLines) $names [1] "V1" "V2" "V3" "V4" "V5" "V6" "V7" "V8" $class [1] "data.frame" $row.names [1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 [26] 26 27 28 29 > fileLines[1,2] [1] 20091224 As expected! > fileLines[1,3] [1] 156 As expected! > fileLines[1,1] [1] AB 29 Levels: AB AB.C ABF10 ABH10 ABH11 ABH12 ABK10 ABK11 ABN10 ABN11 ... WW Doh! How do I access the "AB" element directly? Nick [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org 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.