Hi, I need your help, so I send letter to you.

I have a problem about plsr in pls package. I want to show how classfied or
related each ohter samples, so I tried to use plsr and biplot.

But, I failed. Because, I had to change data type of my sample.
Unfortunately, I didn't know how change data type.

I want you to help me about that.

please, help me.

I show you my sample data , my scripts and error message.

sample data
> asdf
  sp mw.1 mw.2 mw.3
1  a    1    2    5
2  a    2    3    6
3  b    3    4    7
4  c    4    5    8
5  c    5    6    9

My script
p1=plsr(sp~ .,data=asdf,varidation='CV')

error message

Warning message:
In model.response(mf, "numeric") :
  using type="numeric" with a factor response will be ignored

I use korean version R. so I can show origin error message directly.

The error message mean that colMeans(Y) : 'x' is must numerical value.

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