I just looked at it again, and I did:
> is.list(yarn)
[1] TRUE
So, I guess it's a list with data inside.
M
On Sat, Oct 6, 2012 at 9:44 PM, 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
>
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