Perhaps what is wrong is that you need to learn when to use the str() function.
str(yarn) --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. C W <tmrs...@gmail.com> wrote: >Hi list, >I am looking at the data yarn in package, I don't understand what is >dimension of this data set. > >I did the following: >> library(pls) > >> data(yarn) > >> dim(yarn) > >[1] 28 3 > >> head(yarn) > > NIR.1 NIR.2 NIR.3 NIR.4 NIR.5 NIR.6 NIR.7 NIR.8 NIR.9 >NIR.10 NIR.11 > >1 3.06630 3.08610 3.10790 3.09720 2.99790 2.82730 2.62330 2.40390 >2.19310 >2.00580 1.83790 > >2 3.06750 3.08570 3.09580 3.06920 2.98180 2.84080 2.67600 2.50590 >2.35060 >2.22300 2.11920 > >3 3.07500 3.09660 3.09160 3.02880 2.88490 2.68850 2.47640 2.26940 >2.08240 >1.91950 1.77470 > >4 3.08280 3.09730 3.10100 3.07350 2.99130 2.87090 2.73920 2.61020 >2.50000 >2.42370 2.37740 > >5 3.10290 3.10340 3.08480 3.02280 2.89270 2.71590 2.53840 2.37640 >2.23970 >2.13460 2.05340 > >6 3.08150 3.08490 3.04870 2.93050 2.73230 2.50890 2.29440 2.09950 >1.93280 >1.79250 1.66930 > >There were 270 columns, I only copy pasted the first 11 columns. But >either way, this is NOT 3 columns. > >Could anyone let me know what is wrong here? > >Thanks in advance, >Mike > > [[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. ______________________________________________ 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.