typo in Introduction to R on dataframes (PR#1609)

[maechler@stat.math.ethz.ch]

>>>>> "a296180" == a296180  <a296180@agate.fmr.com> writes:

    a296180> In section 6.3 in "An Introduction to R", it says:
    a296180> ". . . as is, non-numeric (character and logical)
    a296180> vectors are coerced to be factors . . . "

    a296180> In the help for ?data.frame, it says:

    a296180> Note:

    a296180>      In versions of R prior to 1.4.0 (and in S3)
    a296180> logical columns were converted to factors.

    a296180> I believe that the help for data.frame is correct
    a296180> and that, therefore, An Introduction to R should be
    a296180> changed to:

    a296180> ". . . as is, character vectors are coerced to be
    a296180> factors . . . "

Thank you. 
Actually, I added ", logicals" earlier in the sentence (in the
source which is R-intro.texi !) to 

   @item
   Numeric vectors, logicals and factors are included as is, and character
   vectors are coerced to be factors, whose levels are the unique values
   appearing in the vector.

    a296180> Of course, this could reflect my continuing
    a296180> inability to understand dataframes, but I hope not! ;-)

well hoped ;-)  you are right here.

As a matter of fact we are quite happy for careful readers (and
reports) of R-intro, because this is something not so
interesting to reread for R corers...  
Hence: Thanks again!

Martin

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